Sharp Lower Bounds for Solutions on Nonlinear Differential Inequalities. Ray Redheffer, Roger Dell (1972) Mathematische Zeitschrift
Sharp nonexistence results for a linear elliptic inequality involving Hardy and Leray potentials. Fall, Mouhamed Moustapha, Musina, Roberta (2011) Journal of Inequalities and Applications [electronic only]
Some estimates of solutions to Monge-Ampère type equations in dimension two Giorgio Talenti (1981) Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Some nonexistence results for higher-order evolution inequalities in cone-like domains. Laptev, Gennady G. (2001) Electronic Research Announcements of the American Mathematical Society [electronic only]
Source type positive solutions of nonlinear parabolic inequalities Isabelle Moutoussamy, Laurent Veron (1989) Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Strong maximum and minimum principles for parabolic functional-differential problems with initial inequalities u ( t 0 , x ) ≤ ( ≥ ) K Ludwik Byszewski (1990) Annales Polonici Mathematici
Strong maximum principles for parabolic nonlinear problems with nonlocal inequalities together with integrals. Byszewski, Ludwik (1990) Journal of Applied Mathematics and Stochastic Analysis
Sur un système d'inégalités différentielles partielles du second ordre à argument fonctionnel A. Sobolewska (1971) Annales Polonici Mathematici