Voir la notice de l'article provenant de la source Math-Net.Ru
[1] E. Noether, Gottingen Nachrichten, Math.- Phys. Kl., 2 (1918), 235; Variatsionnye printsipy mekhaniki, Sb., Fizmatgiz, 1959, 611–630 | MR
[2] E. Bessel-Hagen, Math. Ann., 84 (1921), 258 | DOI | MR | Zbl
[3] E. L. Hill, Revs. Mod., 23 (1951), 253 | DOI | Zbl
[4] W. Pauli, Nuovo Cim., 6 (1957), 204 | DOI | MR | Zbl
[5] L. P. Eizenkhart, Nepreryvnye gruppy preobrazovanii, IL, 1947
[6] L. V. Ovsyannikov, Gruppovye svoistva differentsialnykh uravnenii, Izd-vo SO AN SSSR, 1962 | MR
[7] N. N. Bogolyubov, D. V. Shirkov, Vvedenie v teoriyu kvantovannykh polei, Gostekhizdat, 1957 | MR
[8] F. Engel, K. Faber, Die Liesche Theorie der partiellen Differentialgleichungen erster Ordnung, Leipzig, 1932 | MR
[9] N. Kh. Ibragimov, DAN SSSR, 178 (1968), 566 | MR
[10] N. Kh. Ibragimov, DAN SSSR, 185 (1969), 1226