A GENERAL APPROACH TO THE NONLINEAR HYPERBOLIC CAUCHY PROBLEM WITH CONSTANT MULTIPLICITY
1997 ◽
Vol 22
(1-2)
◽
pp. 153-196
◽
1977 ◽
Vol 24
(2)
◽
pp. 178-196
◽
2003 ◽
Vol 8
(1)
◽
pp. 61-75
2015 ◽
Vol 47
(9)
◽
pp. 63-75
◽
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