TY  - JOUR
AU  - Jolanta Przybycin
TI  - Nonlinear eigenvalue problems for fourth order ordinary differential equations
JO  - Annales Polonici Mathematici
PY  - 1994
SP  - 249
EP  - 253
VL  - 60
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-60-3-249-253/
DO  - 10.4064/ap-60-3-249-253
LA  - en
ID  - 10_4064_ap_60_3_249_253
ER  -