00495nam a2200145Ia 4500082001900000100003300019245009700052260004800149300001600197500004400213500000500257700003100262700003200293700002400325  a519.91bY44.PG  aYemelichev, V. A. and Others  aPolytopes, graphs and optimizationbcBy V. A. Yemelichev , M. M. Kovalev and M. K. Kravtsov  aCambridgebCambridge University Pressc1984  a423p. Index  a"Tr. from the Russian by G. H. Lawden".  a  aKovalev, M. M. ; jt. auth.  aKravtsov, M. K. ; jt. auth.  aLawden, G. H. ; tr.