The Dependence of Critical Parameter Bounds on the Monotonicity of a Newton Sequence. B. Werner, H. Voss, J.W. Mooney (1979) Numerische Mathematik
The p -Laplacian – mascot of nonlinear analysis. Drábek, Pavel (2007) Acta Mathematica Universitatis Comenianae. New Series
The semilinear Feng and FMV spectra. Catană, Petronela (2007) Balkan Journal of Geometry and its Applications (BJGA)
Two examples of the operators with jumping nonlinearities Rudolf Švarc (1989) Commentationes Mathematicae Universitatis Carolinae