TY  - BOOK
ED  - Steklov Institute of Mathematics( 1967 : Moscow )
ED  - Steklov Institute of Mathematics
TI  - Problems in the constructive trend in mathematics,pt 4 : proceedings
U1  - 510.6047 
PY  - 1970///
CY  - Providence
PB  - A M S
KW  - Mathematics
ER  -