TY  - BOOK
AU  - x, x
AU  - Irvin Kra
TI  - Quasiconformal mappings and rieman surfaces: x
SN  - x 
U1  - 515.9/KRQ 
PY  - 1979///
CY  - N.Y.
PB  - Wiley
KW  - Mathemics
KW  - Mathematics
ER  -