Permutation Groups
New York: W.A. Benjamin Inc., 1968. Paperback. Printed paper wraps, octavo, not illustrated. Book has toning and shelfwear to wraps, binding tight, small ink price to front endpaper, otherwise text clean and unmarked.
New York: W.A. Benjamin Inc., 1968. Paperback. Printed paper wraps, octavo, not illustrated. Book has toning and shelfwear to wraps, binding tight, small ink price to front endpaper, otherwise text clean and unmarked.