%0 Journal Article %A V. I. Korzyuk %A J. V. Rudzko %T On the absence, non-uniqueness, and blow-up of classical solutions of mixed problems for the telegraph equation with a nonlinear potential %J Problemy fiziki, matematiki i tehniki %D 2024 %P 73-78 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2024_2_a12/ %G en %F PFMT_2024_2_a12