TY  - JOUR
AU  - P. Burgmeier
TI  - Controllability of systems with distributed parameters that can be described by $m$th-order Goursat--Darboux systems
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1947
EP  - 1956
VL  - 25
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_11_a16/
LA  - ru
ID  - DE_1989_25_11_a16
ER  -