@article{MO_2020_3_a4,
     author = {N. Kalinin},
     title = {How to teach university mathematics online?},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {25--32},
     year = {2020},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2020_3_a4/}
}