TY  - JOUR
AU  - V. V. Fedorchuk
TI  - Perfect irreducible mappings and generalized proximities
JO  - Sbornik. Mathematics
PY  - 1968
SP  - 489
EP  - 508
VL  - 5
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1968_5_4_a1/
LA  - en
ID  - SM_1968_5_4_a1
ER  -