Hyperbolic exterior differential systems and their conservation laws, part I
2007 ◽
pp. 235-254
◽
1984 ◽
Vol 64
(6)
◽
pp. 258-258
2012 ◽
Vol 120
(1)
◽
pp. 29-60
◽
2010 ◽
Vol 113
(3)
◽
pp. 247-263
◽
1989 ◽
Vol 6
(3)
◽
pp. 263-274
◽
2011 ◽
Vol 01
(05)
◽
pp. 245-249
◽
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