@article{EMJ_2020_11_2_a6,
     author = {E. A. Larionov},
     title = {On stability of bases in {Hilbert} spaces},
     journal = {Eurasian mathematical journal},
     pages = {65--71},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2020_11_2_a6/}
}