Carmichael's lambda function

Instytut Matematyczny Polskiej Akademii Nauk / Institute of Mathematics / Publishing house / Journals and Serials / Acta Arithmetica / All issues

Paul Erdős, Carl Pomerance, Eric Schmutz Acta Arithmetica 58 (1991), 363-385 DOI: 10.4064/aa-58-4-363-385