TY  - BOOK
AU  - Korovkin,P.P.
TI  - Inequalities / 
T2  -  Popular lectures in mathematics series, v. 6
U1  - 517.21 KOR 
PY  - 1961///
CY  - Oxford ; ,  New York : , New York : , New York : , New York : 
PB  - Pergamon-Press, 
KW  - Inequalities (Mathematics)
ER  -