Jumping nonlinearities and mathematical models of suspension bridge Pavel Drábek (1994) Acta Mathematica et Informatica Universitatis Ostraviensis
Jumping nonlinearities for fourth order B.V.P. Marta García-Huidobro, Raúl Manásevich (1993) Annales de la Faculté des sciences de Toulouse : Mathématiques
Justification of the averaging method for multipoint boundary value problems for a class of functional-differential equations with maximums. S. D. Milusheva, D. D. Bainov (1986) Collectanea Mathematica