ISBN 0821823264 books & textbook
Deformations of Nilpotent Matrices over Rings and Reduction of Analytic Families of Meromorphic Differential Equations (Memoirs of the American Mathematical Society)
Amer Mathematical Society /1985-01-01 Paperback / 147 Pages
isbn-10: 0821823264 / isbn-13: 9780821823262
