@article{VMUMM_2022_2_a1,
     author = {K. S. Vishnevetskiy},
     title = {Condition of coincidence between greedy approximations and $m$-term ones},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {18--23},
     year = {2022},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2022_2_a1/}
}