TY  - JOUR
AU  - I. Yu. Krivsky
AU  - V. M. Simulik
TI  - Noether analysis of~zilch conservation laws and their generalization for the electromagnetic field. I.~Use of~different formulations of~the principle of~least action
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1989
SP  - 274
EP  - 287
VL  - 80
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1989_80_2_a8/
LA  - ru
ID  - TMF_1989_80_2_a8
ER  -