Some classes of non—elliptic boundary value problems for pseudo—differential operators II. overdetermined and under— determined systems
1981 ◽
Vol 6
(4)
◽
pp. 373-398
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2008 ◽
Vol 11
(4-6)
◽
pp. 273-291
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1976 ◽
Vol 14
(3)
◽
pp. 471-472
2006 ◽
Vol 58
(2)
◽
pp. 244-262
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1991 ◽
Vol 69
(1)
◽
pp. 99-119
◽
2014 ◽
Vol 16
(3)
◽
pp. 571-595
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1980 ◽
Vol 2
(7-8)
◽
pp. 591-635
◽
1990 ◽
Vol 9
(2)
◽
pp. 133-153
◽