ISBN 9783540529415 books & textbook
Automorphism Groups of Compact Bordered Klein Surfaces: A Combinatorial Approach (Lecture Notes in Mathematics, 1439)
Bujalance, Emilio Etayo, Jose J. Gamboa, Jose M. Gromadzki, Grzegorz
Springer /1990-09-12 Paperback / 225 Pages
isbn-10: 3540529411 / isbn-13: 9783540529415