TY - JOUR AU - Andrzej Schinzel TI - On primitive prime factors of Lehmer numbers I JO - Acta Arithmetica PY - 1962 SP - 213 EP - 223 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-8-2-213-223/ DO - 10.4064/aa-8-2-213-223 LA - en ID - 10_4064_aa_8_2_213_223 ER -