@article{JETPL.114.509,
    title = {Spatial Separation of Scalar Light Beams with Orbital Angular Momentum Using a Phase Metasurface},
    author = {Gartman, A. D. and Ustinov, A. S. and Shorokhov, A. S. and Fedyanin, A. A.},
    journal = {JETP Lett.},
    volume = {114},
    issue = {8},
    pages = {441},
    year = {2021},
    doi = {10.1134/S0021364021200066},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821200015},
    note = {[Pisma v ZhETF 114, 509 (2021)]}
}