TY - JOUR AU - Margarita Spiridonova TI - Applied Computer Algebra Microenvironments JO - Mathematica balkanica PY - 2005 SP - 445 VL - 19 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_2005_19_3-4_a14/ ID - MABA_2005_19_3-4_a14 ER -