Numerical methods for grid equations 
Samarskiĭ, A. A. 
 - Basel [Switzerland] ; | Boston :  Birkhäuser Verlag,  1989 
 - v. <1-2   > ;  25 cm. 
<br/><br/> Translation of: Metody reshenii︠a︡ setochnykh uravneniĭ. | Includes index. 
<br/><br/><label>ISBN: </label>0817622780 (U.S.) : (set : alk. paper) | 0817622764 (U.S.) : (v. 1 : alk. paper) | 3764322772 (v. 2)