TY  - JOUR
AU  - M. S. Agranovich
TI  - Positive boundary value problems for pseudodifferential operators of first order
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1968
SP  - 90
EP  - 91
VL  - 2
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1968_2_1_a6/
LA  - ru
ID  - FAA_1968_2_1_a6
ER  -