@article{TM_1968_104_a5,
     author = {O. V. Shalaevskii},
     title = {Equalization of observations with unknown weights by the method of least squares},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {189--214},
     publisher = {mathdoc},
     volume = {104},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1968_104_a5/}
}