Singular perturbation problems for a class of singular partial differential equations
1976 ◽
pp. 249-258
◽
1979 ◽
Vol 71
(1)
◽
pp. 18-35
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2005 ◽
Vol 14
(4)
◽
pp. 593-608
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1966 ◽
Vol 23
(1)
◽
pp. 26-86
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1976 ◽
Vol 6
(4)
◽
pp. 761-766
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1990 ◽
Vol 11
(7)
◽
pp. 637-650
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2021 ◽
Vol 24
(7)
◽
pp. 2035-2047
1963 ◽
Vol 14
(1)
◽
pp. 61-80
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