@article{SM_1984_48_1_a14,
     author = {Yu. P. Pyt'ev},
     title = {Reduction problems in experimental investigations},
     journal = {Sbornik. Mathematics},
     pages = {237--272},
     publisher = {mathdoc},
     volume = {48},
     number = {1},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_48_1_a14/}
}