@article{BASM_2010_3_a6,
     author = {Dimitru Cozma},
     title = {Center problem for a~class of cubic systems with a~bundle of two invariant straight lines and one invariant conic},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {51--66},
     publisher = {mathdoc},
     number = {3},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2010_3_a6/}
}