@article{BASM_2010_1_a1,
     author = {N. Gherstega and M. Popa and V. Pricop},
     title = {About characteristics of graded algebras $S_{1,4}$ and $SI_{1,4}$},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {23--32},
     publisher = {mathdoc},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2010_1_a1/}
}