TY  - JOUR
AU  - I. S. Kac
TI  - A remark on the article ``The existence of spectral functions of generalized second order  ifferential systems with boundary conditions at the singular end''
JO  - Sbornik. Mathematics
PY  - 1968
SP  - 141
EP  - 145
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1968_5_1_a6/
LA  - en
ID  - SM_1968_5_1_a6
ER  -