TY  - GEN
AU  - Levendorskii,Serge
TI  - Degenerate elliptic equations 
T2  - Mathematics and its applications
SN  - 079232305X
U1  - 515.353 
PY  - 1993///
CY  - Dordrecht, Boston
PB  - Kluwer
KW  - Elliptic differential equations
N1  - Bibliografie p. 399;
Index p. 423
ER  -