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- [2] ON EQUATIONS OF THE FORM DELTA-U=F(X,U,DU) MATHEMATICS OF THE USSR-SBORNIK, 1980, 113 (02): : 269 - 280
- [4] On Equations of the Form Δu - partial derivativeu/partial derivativet = f (x, t, u, Du) AZERBAIJAN JOURNAL OF MATHEMATICS, 2023, 13 (02): : 137 - 158
- [5] CONTINUITY OF OPERATORS OF THE FORM TF(U) = F(X,U,DU) BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA, 1993, 7B (02): : 379 - 397
- [6] CONTINUOUS OPERATORS OF THE FORM TF(U)=F(X,U,DU) BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA, 1988, 2B (01): : 99 - 108
- [8] SOME NONEXISTENCE AND INSTABILITY THEOREMS FOR SOLUTIONS TO FORMALLY PARABOLIC EQUATIONS OF FORM PUT=-AU+F(U) NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (03): : A366 - A366
- [10] Existence results for the equation-Δu = f(x,u) in Rn ZEITSCHRIFT FUR ANALYSIS UND IHRE ANWENDUNGEN, 2000, 19 (02): : 575 - 582