1. Lecture Notes on Mathematics;H. Aikawa,1993
2. Akhiezer, N.I., Elements of the Theory of Elliptic Functions, Translations of Mathematical Monographs, Providence: Am. Math. Soc., 1990, vol. 79.
3. Aronov, V.I., On the Solution of Neumann Problem in Gravity, Izv. Akad. Nauk SSSR, Fiz. Zemli, 1967, no. 2, pp. 54–59.
4. Filatov, V.G., Reconstructing Density Distributions from Gravity Data Using Jacobi Elliptic Functions, Fiz. Zemli, 1981, no. 12, pp. 99–103.
5. Lavrent’ev, M.A. and Shabat, B.V., Metody Teorii Funktsii Kompleksnogo Peremennogo (Methods of the Theory of Functions of a Complex Variable), Moscow: Nauka, 1965.