共 50 条
- [1] A class of equations with partial derivatives of the second order COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1904, 138 : 1684 - 1685
- [2] A problem relative to the theory of equations of partial derivatives of the second order to real characteristics COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1927, 184 : 866 - 868
- [3] On the partial derivatives equations of second order of the elliptical type PROCEEDINGS OF THE KONINKLIJKE AKADEMIE VAN WETENSCHAPPEN TE AMSTERDAM, 1931, 34 (1/5): : 390 - 398
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- [5] Some transformations of equations with partial derivatives of the second order COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1920, 171 : 781 - 783
- [6] 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] On some transformations of equations with partial derivatives of the second order. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1920, 170 : 1217 - 1222
- [9] On the unicity of solutions of equations with partial derivatives of the second order. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1932, 195 : 641 - 642
- [10] The characteristics of equations of partial derivatives of the first order. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1926, 183 : 647 - 649