TY - JOUR AU - Eckert, Michael TI - The practical theorist : Sommerfeld at the crossroads of mathematics, physics and technology JO - Philosophia Scientiae PY - 2003 SP - 165 EP - 188 VL - 7 IS - 2 PB - Éditions Kimé UR - http://www.numdam.org/item/PHSC_2003__7_2_165_0/ LA - en ID - PHSC_2003__7_2_165_0 ER -