TY  - JOUR
AU  - T. L. Surin
TI  - On the structure of the matrix of coefficients of a regular Lappo--Danilevski{\v\i} system
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 842
EP  - 848
VL  - 23
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_5_a13/
LA  - ru
ID  - DE_1987_23_5_a13
ER  -