Local Cauchy problem for linear partial differential equations with analytic coefficients
1978 ◽
Vol 27
(1)
◽
pp. 1-18
◽
1969 ◽
Vol 33
(1)
◽
pp. 11-27
1956 ◽
Vol 8
◽
pp. 426-431
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2013 ◽
Vol 255
(10)
◽
pp. 3592-3637
◽