TY - JOUR AU - N. Gherstega AU - M. Popa AU - V. Pricop TI - About characteristics of graded algebras $S_{1,4}$ and $SI_{1,4}$ JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2010 SP - 23 EP - 32 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2010_1_a1/ LA - en ID - BASM_2010_1_a1 ER -