%0 Journal Article %A Xu, Ming %A Matveev, Vladimir S. %T Proof of Laugwitz Conjecture and Landsberg Unicorn Conjecture for Minkowski norms with $SO(k)\times SO(n-k)$-symmetry %J Canadian journal of mathematics %D 2022 %P 1486-1516 %V 74 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008414X21000304/ %R 10.4153/S0008414X21000304 %F 10_4153_S0008414X21000304