David A. Sánchez

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Topics in ordinary differential equations

William D. Lakin, David A. Sánchez, 1982 .

Ordinary Differential Equations and Stability Theory: An Introduction

David A. Sánchez, D. Sánchez, 1968 .

Linear age-dependent population growth with harvesting

David A. Sánchez, 1978 .

Some existence theorems in the calculus of variations

David A. Sánchez, 1966 .