TY - JOUR AU - Krzysztof Ciesielski AU - Tomasz Natkaniec TI - A big symmetric planar set with small category projections JO - Fundamenta Mathematicae PY - 2003 SP - 237 VL - 178 IS - 3 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/FUNDAM_2003__178_3_283346/ LA - en ID - FUNDAM_2003__178_3_283346 ER -