@article{DAN_1965_162_4_a3,
     author = {I. A. Grigor'eva},
     title = {Concerning the form of extremal non-negative polynomials whose coefficients are subject to several linear relations},
     journal = {Doklady Akademii Nauk},
     pages = {739--742},
     publisher = {mathdoc},
     volume = {162},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_162_4_a3/}
}