TY  - JOUR
AU  - Dmitry S. Kaparulin
AU  - Simon L. Lyakhovich
AU  - Alexey A. Sharapov
TI  - Lagrange anchor and characteristic symmetries of free massless fields
JO  - Symmetry, integrability and geometry: methods and applications
PY  - 2012
VL  - 8
UR  - http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a20/
LA  - en
ID  - SIGMA_2012_8_a20
ER  -