@book{5739261,
	author = {Капшай, В.Н. and Скачков, Н.Б.},
	title = {Exact solution of the relativistic coulomb problem for two-particle bound states in the quasipotential approach},
	publisher = {Б. и.},
	year = {1979},
	series = {Объединенный институт ядерных исследований. Дубна},
	address = {Дубна}
}