TY  - BOOK
AU  - Tikhonov, A. N.  
AU  - Samarskii, A. A. 
TI  - Partial differential equations of mathematical physics: v. 1
T2  - Holden-Day Series in Mathematical Physics
PY  - 1964///
CY  - San Francisco
PB  - Holden-Day
KW  - Partial Differential Equations
ER  -