TY  - BOOK
AU  - Yemelichev V A
AU  -  Kovalev M M
TI  - Popytopes groups and optimisation
U1  - B25, M4 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University Press       
KW  - Higher algebra
N1  - Bibliography 401-414p
ER  -