@article{article75d4c357,
title   = {Absence of spontaneous chiral symmetry breaking and the 1/N expansion in two dimensions in an exactly soluble model},
author = {Silva, Adilson José da and Gomes, Marcelo Otávio Caminha and Koberle, Roland},
year = {1979},
doi = {10.1103/PhysRevD.20.895},
journal   = {Physical Review D}
}