@article{VSPUI_2023_19_4_a4,
     author = {A. V. Prasolov and N. G. Ivanov and N. V. Smirnov},
     title = {Algorithm of variance estimation in weighted least squares method},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {484--496},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2023_19_4_a4/}
}