A. Constantin, Positive solutions of quasilinear elliptic equations, J. Math. Anal. Appl. 213 (1997), 334-339 A. Constantin, On the existence of positive solutions of second order differential equations, Ann. Mat. Pura Appl. 184 (2005), 131-138
S.
Djebali
, T. Moussaoui, O.G. Mustafa, Positive evanescent solutions of nonlinear elliptic equations, J. Math.
Anal. Appl. 333 (2007), 863-870
J. Dugundji, A. Granas, Fixed Point Theory, Vol. I, Polish Sci. Publ., Warszawa, 1982
M. Ehrnström,
Positiv
e solutions for second-order nonlinear differential equations, Nonlinear Anal. TMA 64 (2006), 1608-1620
M. Ehrnström, O.G. Mustafa, On positive solutions of a class of nonlinear elliptic equations, Nonlinear Anal. TMA
67 (2007), 1147-1154
P. Hartman, On non-oscillatory linear differential equations of second order, Amer. J. Math. 74 (1952), 389-400 Z. Yin, Monotone positive solutions of second-order nonlinear differential equations, Nonlinear Anal. TMA 54 (2003), 391-403
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