ŞUBĂ, A. and PÎSLARU, A. (2020) “SOLUTION OF THE CENTER-FOCUS PROBLEM FOR A CUBIC DIFFERENTIAL SYSTEM WITH A REAL INVARIANT STRAIGHT LINE AND THE LINE AT INFINITY OF MULTIPLICITY TWO”, Acta et Commentationes Exact and Natural Sciences, 8(2), pp. 76-83. doi: 10.36120/2587-3644.v8i2.76-83.