TY - JOUR AU - Matti Raasakka TI - Spacetime-Free Approach to Quantum Theory and Effective Spacetime Structure JO - Symmetry, integrability and geometry: methods and applications PY - 2017 VL - 13 UR - http://geodesic.mathdoc.fr/item/SIGMA_2017_13_a5/ LA - en ID - SIGMA_2017_13_a5 ER -