@article{JLT_1991_1_1_a8,
     author = {G. Czichowski},
     title = {A {Lie} {Theory} of {Differential} {Equations} and {Computer} {Algebra}},
     journal = {Journal of Lie theory},
     pages = {083--092},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/JLT_1991_1_1_a8/}
}