| An introduction to Diophantine equations: A problem-based approach T Andreescu, D Andrica, I Cucurezeanu Birkhäuser, 2010 | 287 | 2010 |
| Complex Numbers from A to... Z T Andreescu, D Andrica Birkhäuser Boston, 2006 | 224 | 2006 |
| Grüss' inequality for positive linear functionals D Andrica, C Badea Periodica Mathematica Hungarica 19, 155-167, 1988 | 122 | 1988 |
| Number theory: structures, examples, and problems D Andrica, T Andreescu Birkhäuser Boston, 2009 | 107 | 2009 |
| Why Quadratic Diophantine Equations? T Andreescu, D Andrica, T Andreescu, D Andrica Quadratic Diophantine Equations, 1-8, 2015 | 92 | 2015 |
| 104 number theory problems: from the training of the USA IMO team T Andreescu, D Andrica, Z Feng Birkhäuser, 2007 | 89 | 2007 |
| Note on a conjecture in prime number theory D Andrica Studia Univ. Babes-Bolyai Math 31 (4), 44-48, 1986 | 52 | 1986 |
| Recurrent Sequences D Andrica, O Bagdasar Springer, Berlin, 2020 | 50 | 2020 |
| 360 Problems for Mathematical Contests T Andreescu, D Andrica Levant Books, 2014 | 42 | 2014 |
| A nil-clean 2× 2 matrix over the integers which is not clean D Andrica, G Călugăreanu Journal of Algebra and Its Applications 13 (06), 1450009, 2014 | 38 | 2014 |
| Critical point theory and some applications D Andrica Cluj University Press, 2005 | 34 | 2005 |
| A geometric proof of Blundon’s inequalities D Andrica, C Barbu Math. Inequal. Appl 15 (2), 361-370, 2012 | 26 | 2012 |
| On smooth maps with finitely many critical points D Andrica, L Funar Journal of the London Mathematical Society 69 (3), 783-800, 2004 | 25 | 2004 |
| On an integer sequence related to a product of trigonometric functions, and its combinatorial relevance D Andrica, I Tomescu Journal of Integer Sequences 5 (2), 3, 2002 | 25 | 2002 |
| The Jensen inequality: refinements and applications D Andrica, I Raşa Mathematica-Revue d'analyse numérique et de théorie de l'approximation. L …, 1985 | 22 | 1985 |
| A note on the Nagel and Gergonne points D Andrica, KL Nguyen Creative Math. & Inf 17, 127-136, 2008 | 19 | 2008 |
| Differential and integral inequalities D Andrica, TM Rassias Springer, 2019 | 15 | 2019 |
| Some unexpected connections between Analysis and Combinatorics D Andrica, EJ Ionascu Mathematics Without Boundaries: Surveys in Pure Mathematics, 1-19, 2014 | 15 | 2014 |
| On some extensions of Jordan’s arithmetic functions D Andrica, M Piticari Recall 8, 12-13, 2004 | 15 | 2004 |
| On Fibonacci and Lucas sequences modulo a prime and primality testing D Andrica, V Crişan, F Al-Thukair Arab Journal of Mathematical Sciences 24 (1), 9-15, 2018 | 14 | 2018 |
