@article{SJC_2007_1_4_a7,
     author = {Pulov, Vladimir and Chacarov, Edy and Uzunov, Ivan},
     title = {A {Computer} {Algebra} {Application} to {Determination} of {Lie} {Symmetries} of {Partial} {Differential} {Equations}},
     journal = {Serdica Journal of Computing},
     pages = {505--518},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2007_1_4_a7/}
}