TY  - JOUR
AU  - K. Zima
TI  - A certain theorem on the oscillation of solutions of equation \((p(t)x')' + q(t)x = 0\)
JO  - Commentationes Mathematicae
PY  - 1979
SP  -  391
EP  - 393
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v21i2.5999/
DO  - 10.14708/cm.v21i2.5999
LA  - pl
ID  - 10_14708_cm_v21i2_5999
ER  -