TY  - JOUR
AU  - B. A. Kats
TI  - A method for estimating the number of linearly independent solutions of boundary value problems
JO  - Trudy seminara po kraevym zadačam
PY  - 1976
SP  - 120
EP  - 127
VL  - 13
IS  - 13
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUKZ_1976_13_13_a13/
LA  - ru
ID  - KUKZ_1976_13_13_a13
ER  -