This publication is cited in the following articles:
V. I. Korzyuk, I. S. Kozlovskaya, “Dvukhtochechnaya granichnaya zadacha dlya uravneniya kolebaniya struny s zadannoi skorostyu v nekotoryi moment vremeni. I”, Tr. In-ta matem., 18:2 (2010), 22–35
V. S. Il'kiv, B. I. Ptashnic, “An ill-posed nonlocal two-point problem for systems of partial differential equations”, Siberian Math. J., 46:1 (2005), 94–102