@article{SEMR_2020_17_a121,
     author = {A. O. Egorshin},
     title = {Counter equations: smoothing, filtration, identification},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1322--1351},
     publisher = {mathdoc},
     volume = {17},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2020_17_a121/}
}