Sofʹi͡a Vasilʹevna Kovalevskai͡a - Stoli︠e︡tov, A. G.; Nekrasov, P. A.; Zhukovskiĭ, Nikolaĭ Egorovich (1891)
Reprint from Matematicheskiĭ sbornik, v. 16
Bibliographical footnotes.