@article{VSGU_2021_27_4_a0,
     author = {G. V. Voskresenskaya},
     title = {On the nature of additional space at cutting of spaces of cusp forms},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {7--13},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2021_27_4_a0/}
}