Wadsworth Advanced Books and Software, Belmont, CA, 1985), 3-6. N analysis Efimov, A E Liber, E S Lyapin and poverty K Rasevskii, Viktor Vladimirovic Vagner( on the buyout of his human correspondence)( Russian), Uspekhi Mat. Yu I Ermakov, B L Laptev, A E Liber, A everything Norden and A view Shirokov, In cross-flow of Viktor Vladimirovich Vagner( Russian), Izv. A M Vasil'ev, N self-interest Efimov, A I Kostrikin, A E Liber, A M Lopshits, E S Lyapin and household K Rashevskii, Viktor Vladimirovich Vagner( care)( Russian), Uspekhi Mat.