TY  - JOUR
AU  - D. Murtazaev
TI  - The index of a linear boundary value problem for a system of composite type equations with two real characteristics
JO  - Differencialʹnye uravneniâ
PY  - 1970
SP  - 1871
EP  - 1881
VL  - 6
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1970_6_10_a14/
LA  - ru
ID  - DE_1970_6_10_a14
ER  -