@article{ZVMMF_1986_26_1_a11,
     author = {A. A. Kronberg},
     title = {Algorithms for walking along spheres},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {130--134},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_1_a11/}
}