TY - JOUR AU - Choban, Mitrofan M. AU - Kenderov, Petar S. AU - Revalski, Julian P. TI - Fragmentability of open sets via set-valued mappings JO - Serdica Mathematical Journal PY - 2018 SP - 213 EP - 226 VL - 44 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2018_44_1-2_a11/ LA - en ID - SMJ2_2018_44_1-2_a11 ER -