TY  - JOUR
AU  - Yu. V. Pokornyi
TI  - Inequality for second characteristic values of positive operators of certain classes
JO  - Matematičeskie zametki
PY  - 1971
SP  - 27
EP  - 33
VL  - 9
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1971_9_1_a3/
LA  - ru
ID  - MZM_1971_9_1_a3
ER  -