%0 Journal Article %A Sabah Benadouane %A Ahmed Bendjeddou %A Aziza Berbache %T Non-algebraic crossing limit cycle for discontinuous piecewise differential systems formed by a linear system without equilibrium points and quadratic isochronous centers at the origin %J Novi Sad Journal of Mathematics %D 2024 %P 67 - 74 %V 54 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.13397/ %R 10.30755/NSJOM.13397 %F 10.30755/NSJOM.13397