Geodesic
Polyspheroidal periodic functions
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 23 (1983) no. 4, pp. 785-797 
N. F. Truskova. Polyspheroidal periodic functions. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 23 (1983) no. 4, pp. 785-797. http://geodesic.mathdoc.fr/item/ZVMMF_1983_23_4_a1/
@article{ZVMMF_1983_23_4_a1,
     author = {N. F. Truskova},
     title = {Polyspheroidal periodic functions},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {785--797},
     year = {1983},
     volume = {23},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1983_23_4_a1/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

An algorithm is given for the computer evaluation of polyspheroidal periodic functions and their eigenvalues for different values of the parameters $\nu$, $\mu$, $q$, $n$, $z$. The eigenvalues are found by minimization of n times folded continued fractions. The eigenfunctions are evaluated by summation of the appropriate series. The results of numerical computations are represented by graphs