TY  - BOOK
AU  - Dorfeev, G. 
AU  - Potapov, M. 
TI  - Elementary mathematics: selected topics and problem solving
U1  - 511.1 
PY  - 1978///
PB  - Miscow
KW  - algebra
KW  - Geometry
KW  - Mathematics
N1  - Includes index
ER  -