@article{DAN_1970_191_2_a9,
     author = {Geza Froid},
     title = {Weighted approximation by polynomials on the real axis},
     journal = {Doklady Akademii Nauk},
     pages = {293--294},
     publisher = {mathdoc},
     volume = {191},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_2_a9/}
}