@misc{EMJ_2021_12_4_a0,
     title = {Tynysbek {Sharipovich} {Kal'menov} (to the 75th birthday)},
     journal = {Eurasian mathematical journal},
     pages = {8--9},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2021_12_4_a0/}
}