@article{FPM_2023_24_4_a4,
     author = {A. V. Galatenko and A. E. Pankratiev and K. D. Tsaregorodtsev},
     title = {A~criterion of properness for a~family of functions},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {61--73},
     publisher = {mathdoc},
     volume = {24},
     number = {4},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2023_24_4_a4/}
}