GILBARG, D.
ELLIPTIC PARTIAL DIFFERENTIAL EQUATING OF SECOND ORDER - BERLIN Springer 2001 - xiii+516p.,23x12Cms.
3540411607
517.38 G464
ELLIPTIC PARTIAL DIFFERENTIAL EQUATING OF SECOND ORDER - BERLIN Springer 2001 - xiii+516p.,23x12Cms.
3540411607
517.38 G464