@article{ISU_2024_24_3_a13,
     author = {A. V. Molodenkov and Yu. N. Chelnokov},
     title = {In memory of {Yakov} {G.~Sapunkov}},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {463--471},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {2024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2024_24_3_a13/}
}