TY - JOUR AU - Kaveh, Kiumars AU - Khovanskii, A. G. TI - Note on the Grothendieck Group of Subspaces of Rational Functions and Shokurov's Cartier b-divisors JO - Canadian mathematical bulletin PY - 2014 SP - 562 EP - 572 VL - 57 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2013-039-6/ DO - 10.4153/CMB-2013-039-6 ID - 10_4153_CMB_2013_039_6 ER -