共 50 条
- [1] PARTIAL HYPOELLIPTICITY OF CLASS OF ELLIPTICAL AND DEGENERATE OPERATORS COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1974, 278 (11): : 775 - 778
- [2] INDEX AND REGULARITY THEOREM FOR CLASS OF ELLIPTICAL DEGENERATE OPERATORS COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1974, 279 (25): : 873 - 876
- [3] A CERTAIN CLASS OF ORDINARY ELLIPTICAL AND DEGENERATE DIFFERENTIAL OPERATORS PROCEEDINGS OF THE JAPAN ACADEMY, 1968, 44 (09): : 944 - &
- [4] REGULARITY OF A CLASS OF SECOND ORDER DEGENERATE ELLIPTICAL OPERATORS COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1969, 268 (20): : 1177 - &
- [5] A Class of Toeplitz Operators in Several Variables Advances in Applied Clifford Algebras, 2015, 25 : 811 - 828
- [9] SPECTRAL PROPERTIES OF CERTAIN DEGENERATE ELLIPTICAL OPERATORS COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1974, 278 (03): : 137 - 140
- [10] CLASS OF DEGENERATED ELLIPTICAL OPERATORS BULLETIN DE LA SOCIETE MATHEMATIQUE DE FRANCE, 1967, 95 (01): : 45 - &