@article{articleed3742e7,
title   = {Competing interactions and the Lifshitz-type nonlinear sigma model},
author = {Gomes, Pedro Rogério Sérgi and Bienzobaz, Paula Fernanda and Gomes, Marcelo Otávio Caminha},
year = {2013},
doi = {10.1103/physrevd.88.025050},
journal   = {PHYSICAL REVIEW D}
}