TY - JOUR AU - Ahmed Bendjeddou AU - Mohamed Grazem TI - A class of quintic Kolmogorov systems with explicit non-algebraic limit cycle JO - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika PY - 2019 SP - 285 EP - 297 VL - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JSFU_2019_12_3_a2/ LA - en ID - JSFU_2019_12_3_a2 ER -