2 citations to https://www.mathnet.ru/rus/sjim1016

1. V. G. Romanov, “Regularization of a continuation problem for electrodynamic equations”, J. Inverse Ill-Posed Probl., 28:5 (2020), 751–760          
2. V. G. Romanov, “A continuation problem for electrodynamic equations”, Eurasian J. Math. Comput. Appl., 7:4 (2019), 100–114