%0 Journal Article %T From metric spaces to partial metric spaces %A Bessem Samet %A Calogero Vetro and Francesca Vetro %J Fixed Point Theory and Applications %D 2013 %I %R 10.1186/1687-1812-2013-5 %X MSC: 47H10, 54H25. %K metric space %K partial metric space %K fixed point %U http://www.fixedpointtheoryandapplications.com/content/2013/1/5/abstract