@article{10.30755/NSJOM.13397,
     author = {Sabah Benadouane and Ahmed Bendjeddou and Aziza Berbache},
     title = {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
},
     journal = {Novi Sad Journal of Mathematics},
     pages = {67 - 74},
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {2024},
     doi = {10.30755/NSJOM.13397},
     url = {http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.13397/}
}