Partial differential equations.
Wloka, J.
Partial differential equations. - Cambridge : Cambridge University Press, 1987. - xi, 518 p.
0521277590 :
Differential equations, Partial.
QA374 / .W56
Partial differential equations. - Cambridge : Cambridge University Press, 1987. - xi, 518 p.
0521277590 :
Differential equations, Partial.
QA374 / .W56