@article{PismaZhETF.56.345, title = {Axial-anomaly pole and spontaneous breaking of chiral symmetry}, author = {Achasov, N. N.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {56}, issue = {7}, pages = {345}, year = {1992}, doi = {}, url = {http://jetpletters.ru/ps/0/article_19495.shtml}, }