TY - JOUR AU - Wójcicki, Ryszard TI - Three Doctrines of the Nature of Mathematics (Some Comments of a Knowledge Theorist) JO - Bulletin of the Section of Logic PY - 2017 VL - 46 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BSL_2017_46_1-2_a8/ LA - en ID - BSL_2017_46_1-2_a8 ER -