@misc{indiciaead54c9364bc7, title = {Grassmannian heterotic sigma model}, author = {Kreshchuk, Michael and Kurianovych, Evgeniy and Shifman, Mikhail}, year = {2019}, doi = {10.1103/physrevd.99.125005}, url = {https://www.osti.gov/biblio/1525554}, note = {Source identifier: 1525554} }