TY - JOUR AU - Szymiczek, Kazimierz TI - Ten problems on quadratic forms JO - Communications in Mathematics PY - 2002 SP - 133 EP - 143 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2002__10_1_a14/ LA - en ID - COMIM_2002__10_1_a14 ER -