%0 Journal Article
%T Conservation of leptons and baryons and the neutrino mass
%A B. M. Pontekorvo
%I Physics-Uspekhi
%D 1969
%J Phys. Usp.
%V 11
%N 4
%P 528-529
%U https://ufn.ru/en/articles/1969/4/t/
%U https://doi.org/10.1070/PU1969v011n04ABEH003787