共 50 条
- [4] Application of Differential-Geometric Methods of Control Theory in the Theory of Partial Differential Equations. II Differential Equations, 2022, 58 : 1450 - 1456
- [6] Application of Differential-Geometric Methods of Control Theory to the Theory of Partial Differential Equations. I Differential Equations, 2021, 57 : 1451 - 1459
- [8] Mathematical analysis - On non linear equations with partial derivatives of the second order of the elliptical type. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1921, 173 : 543 - 546
- [9] The partial derivative equations of the elliptic type. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES, 1905, 140 : 1440 - 1442