
TY  - JOUR
A1  - Hayes, CF 
A1  - Craig, CD 
T1  - Quantization of Lagrangians for Charges in an External Field
JF  - Australian Journal of Physics
JO  - Aust. J.  Phys.
Y1  - 1970
VL  - 23
IS  - 6
SP  - 951
EP  - 952
KW  - 
UR  - https://doi.org/10.1071/PH700951 
N2  - Generally Lagrangians in classical mechanics depend on the coordinates and velocities of the particles at one instant of time. Obviously such an approach assumes that all interactions are instantaneous, and hence that the field has an infinite velocity 
ER  -

