00446nam a2200157Ia 450000500170000000800410001702000180005804100120007608200160008810000210010424500560012526000370018130000190021865000240023765000270026120260429112037.0260429s9999||||xx |||||||||||||| ||und||  a9781806960781  aEnglish  a515.35bOLV  aOlver, Peter J.  0aNonlinear differential equations / cPeter J. Olver  aLondon : bRadiant Pages,c2026.  avi, 246 p.; hb  a Nonlinear analysis  aDifferential equations