@article{DAN_1962_143_1_a7,
     author = {A. Langenbach},
     title = {The application of the method of least squares to nonlinear equations},
     journal = {Doklady Akademii Nauk},
     pages = {31--34},
     publisher = {mathdoc},
     volume = {143},
     number = {1},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_143_1_a7/}
}