TY - JOUR AU - Alexander L. Kazakov AU - Anna A. Lempert AU - Duc Minh Nguyen TI - On covering of cylindrical and conical surfaces with equal balls JO - The Bulletin of Irkutsk State University. Series Mathematics PY - 2024 SP - 34 EP - 48 VL - 48 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIGUM_2024_48_a2/ LA - en ID - IIGUM_2024_48_a2 ER -