TY  - JOUR
AU  - S. Staněk
TI  - Nonnegative solutions of a class of second order nonlinear differential equations
JO  - Annales Polonici Mathematici
PY  - 1992
SP  - 71
EP  - 82
VL  - 57
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-57-1-71-82/
DO  - 10.4064/ap-57-1-71-82
LA  - en
ID  - 10_4064_ap_57_1_71_82
ER  -