@article{DA_2015_22_6_a0,
     author = {Sh. I. Galiev and A. V. Khorkov},
     title = {Multiple circle coverings of an equilateral triangle, square, and circle},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {5--28},
     publisher = {mathdoc},
     volume = {22},
     number = {6},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2015_22_6_a0/}
}