Boldea, Afrodita. "Generalized and potential symmetries of the Rudenko-Robsman equation" Open Physics, vol. 8, no. 6, 2010, pp. 995-1000. https://doi.org/10.2478/s11534-010-0013-0
Boldea, A. (2010) Generalized and potential symmetries of the Rudenko-Robsman equation. Open Physics, Vol. 8 (Issue 6), pp. 995-1000. https://doi.org/10.2478/s11534-010-0013-0
Boldea, Afrodita. "Generalized and potential symmetries of the Rudenko-Robsman equation" Open Physics 8, no. 6 (2010): 995-1000. https://doi.org/10.2478/s11534-010-0013-0