TY - JOUR AU - D.P. Shukla AU - Shikha Yadav TI - Composition of Arithmetical functions with generalization of perfect and related numbers JO - Commentationes Mathematicae PY - 2012 SP - 153 EP - 170 VL - 52 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/cm.v52i2.5334/ DO - 10.14708/cm.v52i2.5334 LA - pl ID - 10_14708_cm_v52i2_5334 ER -