Nonoscillation theorems for a class of neutral functional differential equations of arbitrary order Jaroš, J.; Kusano, T. — 1990 Equadiff 7
A Picone type identity for second-order half-linear differential equations. Jaroš, J.; Kusano, T. — 1999 Acta Mathematica Universitatis Comenianae. New Series
Existence of oscillatory solutions for functional differential equations of neutral type. Jaroš, J.; Kusano, T. — 1991 Acta Mathematica Universitatis Comenianae. New Series
Forced superlinear oscillations via Picone's identity. Jaroš, J.; Kusano, T.; Yoshida, N. — 2000 Acta Mathematica Universitatis Comenianae. New Series
Self-adjoint differential equations and generalized Karamata functions J. Jaroš; T. Kusano — 2004 Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques