TY - JOUR AU - Danchev, Peter TI - Notes on countable extensions of $p^{\omega +n}$-projectives JO - Archivum mathematicum PY - 2008 SP - 37 EP - 40 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2008__44_1_a4/ LA - en ID - ARM_2008__44_1_a4 ER -