E-mail: gregus@fmph.uniba.sk
Abstract. In this paper a singular third order eigenvalue problem is studied. The motivation was given by the paper \cite{ETN} of \'A. Elbert, T. Kusano and M. Naito for linear second order nonoscillatory differential equation.
AMSclassification. 34B05, 34B24, 34C10
Keywords. Singular eigenvalue problem, third order oscillation theory, zeros of nonoscillatory solutions