TY  - JOUR
AU  - Pekka Sorjonen
TI  - Extensions of isometric and symmetric linear relations in a Krein space
JO  - Annales Fennici Mathematici
PY  - 1980
SP  - 355
EP  - 375
VL  - 5
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1980.0524/
DO  - 10.5186/aasfm.1980.0524
LA  - en
ID  - AFM_1980_5_2_a9
ER  -