TY  - JOUR
AU  - M. A. Krasnosel'skii
TI  - Fixed points of cone-compressing or cone-extending operators
JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 527
EP  - 530
VL  - 135
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_135_3_a5/
LA  - ru
ID  - DAN_1960_135_3_a5
ER  -