TY  - JOUR
AU  - G. Ya. Perel'man
TI  - Elements of Morse theory on Aleksandrov spaces
JO  - Algebra i analiz
PY  - 1993
SP  - 232
EP  - 241
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1993_5_1_a9/
LA  - ru
ID  - AA_1993_5_1_a9
ER  -