@article{DAN_1962_143_4_a9, author = {N. I. Pol'skii}, title = {Projective methods in applied mathematics}, journal = {Doklady Akademii Nauk}, pages = {787--790}, publisher = {mathdoc}, volume = {143}, number = {4}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_143_4_a9/} }