Formal and convergent power series solutions of singular partial differential equations
1979 ◽
Vol 256
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pp. 163-163
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2004 ◽
Vol 201
(1)
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pp. 63-74
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2004 ◽
Vol 124
(4)
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pp. 5085-5097
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2004 ◽
Vol 10
(02)
◽
pp. 155-185
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