ISBN 1461295890 books & textbook
Singularities of Differentiable Maps: Volume I: The Classification of Critical Points Caustics and Wave Fronts (Monographs in Mathematics)
Arnold, V.I. Varchenko, A.N. Gusein-Zade, S.M.
Birkhäuser /2011-10-01 Paperback / 396 Pages
isbn-10: 1461295890 / isbn-13: 9781461295891
