TY  - BOOK
AU  - Vavilov,V.V
ED  - Melnikov, I.I
ED  - Olekhnik, S.N
ED  - Pasichenko, P.I
TI  - Equations & inequalities: study aid
SN  - 5030014012
U1  - 511.35 
PY  - 1990///
CY  - Moscow
PB  - MIR Publishers
ER  -