TY - JOUR AU - Sabah Benadouane AU - Ahmed Bendjeddou AU - Aziza Berbache TI - 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 JO - Novi Sad Journal of Mathematics PY - 2024 SP - 67 EP - 74 VL - 54 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.13397/ DO - 10.30755/NSJOM.13397 ID - 10.30755/NSJOM.13397 ER -