Logarithmic derivatives of solutions of disconjugate differential equations

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Annales Polonici Mathematici / All issues

Philip Hartman Annales Polonici Mathematici 29 (1974), 173-187 DOI: 10.4064/ap-29-2-173-187