The geometry of a quasilinear system of two partial differential equations containing the first and second partial derivatives of two functions in two independent variables
Approximation of solutions of polynomial partial differential equations in two independent variables
2019 ◽
Vol 346
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pp. 205-223
1975 ◽
Vol 27
(4)
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pp. 517-532
1952 ◽
Vol 5
(2)
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pp. 119-154
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1876 ◽
Vol s1-8
(1)
◽
pp. 229-262
1964 ◽
Vol 16
(3)
◽
pp. 187-195
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