1. Tikhonov, A.I. and Samarskii, A.A., Uravneniya matematicheskoi fiziki (Equations of Mathematical Physics), Moscow: Nauka, 1972.
2. Dwight, H.B., Tables of Integrals and Other Mathematical Data, New York: Macmillan, 1961. Translated under the title Tablitsy integralov i drugie matematicheskie formuly, Moscow: Nauka, 1966.
3. Kapustin, N.Yu. and Moiseev, E.I., Differ. Uravn., 1997, vol. 33, no. 1, pp. 115–119.