Japanese journal of mathematics :transactions and abstracts
Online ISSN : 1861-3624
Print ISSN : 0075-3432
Uber die Ungleichung ∂u/∂y>f(x, y, u, ∂u/∂x)
Mitio NAGUMO
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1939 Volume 15 Pages 51-56

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© Science Council of Japan
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