00890nam0-22003011i-450-99000143941040332190-6764-296-7000143941FED01000143941(Aleph)000143941FED0100014394120000920d1999----km-y0itay50------baengPROCEEDINGS of the Ninth International Colloquium on Differential EquationsD. Bainov, editorUtrechtVSPC1999Equazioni differenziali ordinarieCongressiBainov,Drumi DimitrovITUNINARICAUNIMARCBK990001439410403321123-D-217107MA1MA134-0635-0665-06PROCEEDINGS of the Ninth International Colloquium on Differential Equations374405UNINAING01