TY - JOUR AB - AU - Albrecht HEEFFER DA - 2012/1// DO - 10.21825/philosophica.82138 IS - 4 VL - 87 PB - Department of Philosophy and Moral Science at Ghent University. PY - 2012 TI - Surmounting obstacles: circulation and adoption of algebraic symbolism T2 - Philosophica UR - https://www.philosophica.ugent.be/article/id/82138/ ER -