@article{RM_2021_76_2_a8,
     author = {V. A. Artamonov and V. S. Drenski and Yu. L. Ershov and M. V. Zaitsev and E. I. Zelmanov and T. Sh. Kal'menov and L. G. Makar-Limanov and A. A. Mikhal\"ev and A. V. Mikhal\"ev and V. N. Remeslennikov and N. S. Romanovskii and V. A. Roman'kov and I. P. Shestakov},
     title = {Ualbai {Utmakhanbetovich} {Umirbaev} (on his 60th birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {373--378},
     publisher = {mathdoc},
     volume = {76},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2021_76_2_a8/}
}