Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) GSELMANN E. and MAKSA GY.,THE SHANNON FIELD OF NON-NEGATIVE INFORMATION FUNCTIONS,Scientiae Mathematicae Japonicae,1346-0447,International Society for Mathematical Sciences,2009,69,2,241-248,https://cir.nii.ac.jp/crid/1390846609810481792,https://doi.org/10.32219/isms.69.2_241