00401nam a2200133 a 450000500170000002000180001708200160003510000190005124500660007026000340013630000240017049000390019450000340023320251203112309.0 a9783540535140 a515.35bSCH aSchaaf, Renate aGlobal solution branches of two point boundary value problems aBerlinbSpringer-Verlagc1990 axx,144p.c24cm.bPB aLecture notes in mathematicsd1458 aincludes references and index