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Type firstDescription
pre-Shang China
außer Ihnen selbst
Henry Krystel
Dies weist darauf [¿]
Phase Portraits of Planar Quadratic Systems 18 pre-Shang ChinaAlthough some examples of phase portraits of quadratic systems can already be found in the work of Poincar, the first paper dealing exclusively with these systems was published by Bchel in 1904. By the end of the 20th century an increasing flow of publications resulted in nearly a thousand papers on the subject. This book attempts to give a presentation of the advance of our knowledge of phase portraits of quadratic systems, paying special attention
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