@mastersthesis{mastersthesis671aa1d8,
title   = {Subvariedades minimas no 'R POT. N' com fibrado normal plano},
author = {Góes, Célia Contin and Simoes, Plinio Amarante Quirino},
year = {1981},
doi = {10.11606/T.45.1981.tde-20220712-112620},
school = {Universidade de São Paulo}
}