TY - JOUR AU - M. M. Goncharovskiy AU - I. V. Shirokov TI - Differential invariants and operators of invariant differentiation of the projectable action of Lie groups JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2015 SP - 202 EP - 221 VL - 183 IS - 2 UR - http://geodesic.mathdoc.fr/item/TMF_2015_183_2_a2/ LA - ru ID - TMF_2015_183_2_a2 ER -