@Book{zbMATH03857009,
Editor = {Kenneth I. {Appel} and John G. {Ratcliffe} and Paul E. {Schupp}},
Title = {{Contributions to group theory. (Papers dedicated to Roger C. Lyndon on the occasion of his sixty-fifth birthday)}},
FJournal = {{Contemporary Mathematics}},
Journal = {{Contemp. Math.}},
ISSN = {0271-4132; 1098-3627/e},
Volume = {33},
Year = {1984},
Publisher = {American Mathematical Society (AMS), Providence, RI},
Language = {English},
MSC2010 = {00Bxx 20-06},
Zbl = {0539.00007}
}