TY  - JOUR
AU  - V. L. Kulik
TI  - Regularity of systems of linear differential equations of block-triangle form
JO  - Matematičeskie zametki
PY  - 1986
SP  - 484
EP  - 491
VL  - 40
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1986_40_4_a6/
LA  - ru
ID  - MZM_1986_40_4_a6
ER  -