TY - JOUR TI - On some inequalities concerning series of positive terms T3 - Acta scientiarum mathematicarum AU - Leindler László PY - 1972 LA - English SN - 0001-6969 UR - http://acta.bibl.u-szeged.hu/14328/1/math_033_fasc_001_002_011-014.pdf ER -