@article{TMF_2003_137_2_a13,
     author = {P. Tempesta},
     title = {Lie {Symmetries} and {Weak} {Transversality}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {293--308},
     year = {2003},
     volume = {137},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2003_137_2_a13/}
}