@article{PismaZhETF.37.285, title = {Neutrino oscillations in grand unified models with a horizontal symmetry}, author = {Berezhiani, Z. G. and Chkareuli, Dzh. L.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {37}, issue = {6}, pages = {285}, year = {1983}, doi = {}, url = {http://jetpletters.ru/ps/0/article_22801.shtml}, }