Geodesic
A version of the finite element method
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 19 (1979) no. 4, pp. 950-960

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A special difference scheme is presented for solving elliptic problems with a large step of the computing mesh. Some ideas of the finite element method are used. The possibilities of the scheme are illustrated by examples of calculations of fairly complex solutions with a small number of computing points. 
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     title = {A~version of~the~finite element method},
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R. P. Fedorenko; L. G. Strakhovskaya. A version of the finite element method. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 19 (1979) no. 4, pp. 950-960. http://geodesic.mathdoc.fr/item/ZVMMF_1979_19_4_a14/