Ditkin Vitalii Arsen'evich

Books in Math-Net.Ru

1. Collected Works, Department of approximate calculations of the Mathematical Institute, USSR Academy of Sciences, Travaux Inst. Math. Stekloff, 20, ed. L. A. Lusternik, V. A. Ditkin, 1947, 136 с.
   http://mi.mathnet.ru/book1046