TY  - JOUR
T1  - On Mathematical Concepts of the Material World
JF  - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934)
VL  - 205
SP  - 465
EP  - 525
PY  - 1906/01/01/
UR  - http://dx.doi.org/10.1098/rsta.1906.0014
M3  - doi:10.1098/rsta.1906.0014
AU  - Whitehead, A.
ER  -