共 50 条
- [23] A class of equations with partial derivatives of the second orderCOMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1904, 138 : 1684 - 1685Clairin, J
- [24] The characteristics of equations with partial derivatives of the second orderCOMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1918, 167 : 675 - 678Gau, E
- [25] On classification and invariants of second order non-parabolic linear partial differential equations in two variablesPROCEEDING OF THE 25TH NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM25): MATHEMATICAL SCIENCES AS THE CORE OF INTELLECTUAL EXCELLENCE, 2018, 1974Bekbaev, U.
- [26] Systems of two equations with partial derivatives and an unknown function with independent n variablesCOMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1934, 198 : 1565 - 1567Janet, M
- [28] Second order partial differential equations for gradients of orthogonal polynomials in two variablesJOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2007, 199 (01) : 113 - 121Fernandez, LidiaPerez, Teresa E.Pinar, Miguel A.
- [29] Orthogonal polynomials in two variables and second-order partial differential equationsJOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 1997, 82 (1-2) : 239 - 260Kim, YJKwon, KHLee, JK
- [30] Sobolev orthogonal polynomials in two variables and second order partial differential equationsJOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2006, 322 (02) : 1001 - 1017Lee, Jeong KeunLittlejohn, L. L.