TY - JOUR AU - Adolfo Guillot TI - Quadratic Differential Equations in Three Variables without Multivalued Solutions: Part I JO - Symmetry, integrability and geometry: methods and applications PY - 2018 VL - 14 UR - http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a121/ LA - en ID - SIGMA_2018_14_a121 ER -