共 50 条
- [1] Systems of two equations with partial derivatives and an unknown function with independent n variables COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1934, 198 : 1565 - 1567
- [2] Certain systems of equations with partial derivatives of the second range with two independent variables COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1914, 158 : 1147 - 1148
- [3] HYPERBOLICITY IN SYSTEMS OF EQUATIONS WITH PARTIAL DERIVATIVES AND SEVERAL INDEPENDENT VARIABLES ATTI DELLA ACCADEMIA NAZIONALE DEI LINCEI RENDICONTI-CLASSE DI SCIENZE FISICHE-MATEMATICHE & NATURALI, 1967, 43 (05): : 288 - &
- [4] ON SOLUTIONS OF A SYSTEM OF PARTIAL DIFFERENTIAL EQUATIONS WITH TWO INDEPENDENT VARIABLES UFA MATHEMATICAL JOURNAL, 2013, 5 (02): : 12 - 17
- [5] A class of equations of partial derivatives of the third order, at two independent variables COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1930, 190 : 709 - 712
- [7] The invariants of characteristics of equations with partial derivatives of the second order with two independent variables. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1913, 156 : 760 - 762
- [8] Linear equations with partial derivatives of the second order of two independent variables and the Laplace results formed with such equations COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1914, 159 : 601 - 604
- [9] Integral linear equations with partial derivatives of 2 independent variables COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1914, 159 : 231 - 234