Thisarticlewasdownloadedby:[143.215.149.123]On:06May2014,At:07:59Publisher:InstituteforOperationsResearchandtheManagementSciences(INFORMS)INFORMSislocatedinMaryland,USAManagementSciencePublicationdetails,includinginstructionsforauthorsandsubscriptioninformation::WernerDinkelbach,(1967)OnNonlinearFractionalProgramming.ManagementScience13(7):492-498.:(byrobotsorotherautomaticprocesses)isprohibitedwithoutexplicitPublisherapproval.Formoreinformation,contactpermissions@informs.org.ThePublisherdoesnotwarrantorguaranteethearticle’saccuracy,completeness,merchantability,fitnessforaparticularpurpose,ornon-infringement.Descriptionsof,orreferencesto,productsorpublications,orinclusionofanadvertisementinthisarticle,neitherconstitutesnorimpliesaguarantee,endorsement,orsupportofclaimsmadeofthatproduct,publication,orservice.©1967INFORMSPleasescrolldownforarticle—itisonsubsequentpagesINFORMSisthelargestprofessionalsocietyintheworldforprofessionalsinthefieldsofoperationsresearch,managementscience,andanalytics.FormoreinformationonINFORMS,itspublications,membership,ormeetingsvisit[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.Downloadedfrominforms.orgby[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.Downloadedfrominforms.orgby[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.Downloadedfrominforms.orgby[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.Downloadedfrominforms.orgby[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.Downloadedfrominforms.orgby[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.Downloadedfrominforms.orgby[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.Downloadedfrominforms.orgby[143.215.149.123]on06May2014,at07:59.Forpersonaluseonly,allrightsreserved.