This publication is cited in the following 3 articles:
P. G. Grinevich, S. P. Novikov, “Singular solitons and spectral meromorphy”, Russian Math. Surveys, 72:6 (2017), 1083–1107
P. G. Grinevich, S. P. Novikov, “On s-meromorphic ordinary differential operators”, Russian Math. Surveys, 71:6 (2016), 1143–1145
P. G. Grinevich, R. G. Novikov, “Moutard transform approach to generalized analytic functions with contour poles”, Bull. Sci. Math., 140:6 (2016), 638–656