@article{GMJ_2002__9_4_50550, author = {Mishchenko, A.S. and Popov, P.S.}, title = {On construction of signature of quadratic forms on infinite-dimensional abstract spaces.}, journal = {Georgian Mathematical Journal}, pages = {775--785}, publisher = {mathdoc}, volume = {9}, number = {4}, year = {2002}, zbl = {1030.55001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_2002__9_4_50550/} }