00461nam a2200121Ia 4500008004100000082002000041100010600061245007400167260003800241300001000279700002700289700002300316260921b        |||||||| |||| 00| 0 eng d  a519.1bSy989.IT  aSymposium on Information Theory, Second International, Tsahkadsor, Armenia, USSRdSeptember 2-8, 1971  aInformation theoryb; proceedings of second international symposium /  aBudapest:bAkademiai Kiado,c1973  a451p.  aPetrov, B. N.eeditor.  aCsaki, F.eeditor.