Memoirs of the American Mathematical Society, ISSN 0065-9266 ; Number 541
Print version: Cholak, Peter, 1962- Automorphisms of the lattice of recursively enumerable sets. Providence, Rhode Island : American Mathematical Society, c1995 vii, 151 pages Memoirs of the American Mathematical Society ; Number 541. ISBN 9780821826010
"January 1995, Volume 113, Number 541 (first of 4 numbers)."