SECOND ORDER QUASILINEAR EQUATIONS OF MIXED TYPE
2007 ◽
Vol 330
(2)
◽
pp. 1139-1151
◽
Keyword(s):
Keyword(s):
2009 ◽
Vol 58
(7)
◽
pp. 1425-1432
◽
2004 ◽
Vol 49
(4)
◽
pp. 257-270
Keyword(s):
2011 ◽
Vol 48
(1)
◽
pp. 101-116
◽
Keyword(s):