The Sage Project: Unifying Free Mathematical Software to Create a Viable Alternative to Magma, Maple, Mathematica and MATLAB. - Burçin Eröcal; William Stein (ICMS, 2010)

Summation in finite terms using sage. - Burçin Eröcal (ACM Commun. Comput. Algebra, 2010)

Nullspace computation over rational function fields for symbolic summation. - Burçin Eröcal; Arne Storjohann (ACM Commun. Comput. Algebra, 2010)

Refined algorithms to compute syzygies. - Burçin Eröcal; Oleksandr Motsak; Frank-Olaf Schreyer; Andreas Steenpaß (J. Symb. Comput., 2016)