TY  - JOUR
AU  - O. A. Kastritsa
TI  - The structure of matrices of coefficients of linear spherically combined systems
JO  - Differencialʹnye uravneniâ
PY  - 1973
SP  - 2248
EP  - 2250
VL  - 9
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1973_9_12_a18/
LA  - ru
ID  - DE_1973_9_12_a18
ER  -