Helix-coil transition in terms of Potts-like spinsArtem Badasyan, Achille Giacometti, Rudolf Podgornik, Yevgeni Mamasakhlisov and Vladimir MorozovEur. Phys. J. E, 36 5 (2013) 46DOI: https://doi.org/10.1140/epje/i2013-13046-7