TY - JOUR AU - Blomer, Valentin AU - Kala, Vítězslav TI - On the Rank of Universal Quadratic Forms over Real Quadratic Fields JO - Documenta mathematica PY - 2018 SP - 15 EP - 34 VL - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DOCMA_2018__23__a61/ LA - en ID - DOCMA_2018__23__a61 ER -