Dudnikov, P.I. books & textbook
Partial Differential Equations VIII: Overdetermined Systems Dissipative Singular Schrödinger Operator Index Theory (Encyclopaedia of Mathematical Sciences)
Shubin, M.A. Constanda, C. Dudnikov, P.I. Fedosov, B.V. Pavlov, B.S. Samborski, S.N.
Springer /2012-04-14 Paperback / 268 Pages
isbn-10: 364248946X / isbn-13: 9783642489464