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- [2] AN EXISTENCE AND UNIQUENESS PROOF FOR PERIODIC SOLUTIONS OF A CLASS OF NON-LINEAR DIFFERENTIAL EQUATIONS TEXAS JOURNAL OF SCIENCE, 1966, 18 (01): : 93 - &
- [5] The periodic solutions to non-linear differential equations of the parabolic type COMPTES RENDUS DE L ACADEMIE DES SCIENCES DE L URSS, 1940, 28 : 403 - 406
- [6] The periodic solutions of non-linear differential equations of the parabolic type COMPTES RENDUS DE L ACADEMIE DES SCIENCES DE L URSS, 1939, 25 : 3 - 6
- [8] A DIFFERENCE METHOD FOR A NON-LINEAR SYSTEM OF PARABOLIC DIFFERENTIAL EQUATIONS WITHOUT MIXED DERIVATIVES BULLETIN DE L ACADEMIE POLONAISE DES SCIENCES-SERIE DES SCIENCES MATHEMATIQUES ASTRONOMIQUES ET PHYSIQUES, 1967, 15 (10): : 683 - &
- [9] ON DIFFERENCE METHOD FOR A NON-LINEAR SYSTEM OF A PARABOLIC DIFFERENTIAL EQUATIONS WITHOUT MIXED DERIVATIVES BULLETIN DE L ACADEMIE POLONAISE DES SCIENCES-SERIE DES SCIENCES MATHEMATIQUES ASTRONOMIQUES ET PHYSIQUES, 1968, 16 (04): : 303 - &