共 50 条
- [22] RAY VECTOR-FIELDS JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 1994, 11 (02): : 618 - 622
- [28] LINEARIZATION OF HOLOMORPHIC VECTOR-FIELDS AND A CHARACTERIZATION OF CONE SINGULARITIES ABHANDLUNGEN AUS DEM MATHEMATISCHEN SEMINAR DER UNIVERSITAT HAMBURG, 1988, 58 : 63 - 87
- [30] QUADRATIC VECTOR-FIELDS IN THE PLANE HAVE A FINITE NUMBER OF LIMIT-CYCLES PUBLICATIONS MATHEMATIQUES, 1986, (64): : 111 - 142