TY  - JOUR
AU  - N. K. Al'bov
TI  - On a~criterion for solvability of Fredholm equations
JO  - Sbornik. Mathematics
PY  - 1986
SP  - 113
EP  - 119
VL  - 55
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1986_55_1_a6/
LA  - en
ID  - SM_1986_55_1_a6
ER  -