TY - JOUR AU - Philip E.B. Jourdain TI - The derivation of Equations in Generalised Coordinates from the Principle of Least Action and allied Principles JO - Mathematische Annalen PY - 1906 SP - 413 EP - 418 VL - 62 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1906__62_158266/ ID - MAN_1906__62_158266 ER -