TY  - JOUR
AU  - J.S. Ponizovskiï
TI  - Evgeniï Sergejevich Lyapin on his 80th birthday.
JO  - Semigroup forum
PY  - 1994
SP  - 271
EP  - 274
VL  - 49
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1994__49_2_135353/
ID  - SF_1994__49_2_135353
ER  -