TY - JOUR AU - Pióro, Konrad TI - The weak subalgebra lattice of a unary partial algebra of a given infinite unary type JO - Mathematica slovaca PY - 2001 SP - 25 EP - 44 VL - 51 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_2001__51_1_a2/ LA - en ID - MASLO_2001__51_1_a2 ER -