@article{PismaZhETF.26.608, title = {Realistic factorized S matrix in two-dimensional space-time with isotopic symmetry O(N)}, author = {Zamolodchikov Aleksandr, and Zamolodchikov Aleksei, }, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {26}, issue = {8}, pages = {608}, year = {1977}, doi = {}, url = {http://jetpletters.ru/ps/0/article_20961.shtml}, }