@article{PismaZhETF.105.53, title = {Non-Abelian vortex in four dimensions as a critical Superstring}, author = {Shifman, M. and Yung, A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {105}, issue = {1}, pages = {53}, year = {2017}, doi = {10.7868/S0370274X17010131}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X17010131}, }