TY  - JOUR
AU  - Brown, R. C.
TI  - Differential Operators with Abstract Boundary Conditions
JO  - Canadian journal of mathematics
PY  - 1978
SP  - 262
EP  - 288
VL  - 30
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-025-2/
DO  - 10.4153/CJM-1978-025-2
ID  - 10_4153_CJM_1978_025_2
ER  -