edited by R.N. Sen and C. Weil

Halsted Press c1972

: us , : is

Available at 33 libraries

translated from Russian [by R.N. Sen, O. Ronen and Z. Lerman] published for the National Science Foundation, Washington, D.C ; [edited by I. Meroz]

Israel Program for Scientific Translations : [available from the Office of Technical Services, U.S. Dept. of Commerce, Washington] 1962

Available at 19 libraries