Geodesic
The solution of systems of nonlinear equations of general form
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 6, pp. 837-843 
K. N. Belash. The solution of systems of nonlinear equations of general form. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 6, pp. 837-843. http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_6_a3/
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     title = {The solution of systems of nonlinear equations of general form},
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     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_6_a3/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The problem of finding solutions of a system of equations $F(x)=0$ is investigated, where $F$ is a non-linear operator from $E^n$ to $E^m$, $m. An approach to the solution of such systems in the non-regular case is proposed.

[1] Belash K. N., Tretyakov A. A., “Metody resheniya vyrozhdennykh zadach”, Zh. vychisl. matem. i matem. fiz., 28:7 (1988), 1097–1102 | MR | Zbl

[2] Louson Ch., Khenson R., Chislennoe reshenie zadach metoda naimenshikh kvadratov, Nauka, M., 1986 | MR

[3] Alekseev V. M., Tikhomirov V. M., Fomin S. V., Optimalnoe upravlenie, Nauka, M., 1979 | MR