TY  - JOUR
AU  - V. A. Kondrat'ev
TI  - Oscillation of solutions of linear equations of third and fourth order
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1959
SP  - 259
EP  - 281
VL  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1959_8_a7/
LA  - ru
ID  - MMO_1959_8_a7
ER  -