Boundary value problems for infinite systems of second-order differential equations

Subfunctions and second-order ordinary differential inequalities

Lloyd Jackson · Advances in Mathematics · 1968 · 177 citations

Natural Sciences, Mathematics, Differential Equations +5

On boundary value problems for systems of ordinary, nonlinear, second order differential equations

Philip Hartman · Transactions of the American Mathematical Society · 1960 · 119 citations · Full text

Natural Sciences, Mathematics, Differential Equations +12

Periodic boundary value problems for systems of second order differential equations

J. Bebernes, Klaus Schmitt · Journal of Differential Equations · 1973 · 82 citations

Natural Sciences, Mathematics, Physics +13

On the existence of periodic solutions for second order vector differential equations

H. W. Knobloch · Journal of Differential Equations · 1970 · 77 citations

Natural Sciences, Mathematics, Physics +12

Periodic solutions of systems of second-order differential equations

Klaus Schmitt · Journal of Differential Equations · 1972 · 51 citations

Natural Sciences, Mathematics, Differential Equations +8