@article{IM2_1982_19_2_a1, author = {G. I. Arkhipov and A. A. Karatsuba}, title = {On~local representation of zero by a~form}, journal = {Izvestiya. Mathematics}, pages = {231--240}, year = {1982}, volume = {19}, number = {2}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1982_19_2_a1/} }