@Article{KSS96,
  Title                    = {Generalized {A}ppell Systems},
  Author                   = {Kondratiev, {Yu}.~G.~ and Da Silva, J.~L.~ and Streit, L.~},
  Journal                  = {Methods Funct.~Anal.~Topology},
  Year                     = {1997},
  Number                   = {3},
  Pages                    = {28--61},
  Volume                   = {3},
  Bdsk-url-1               = {http://dme.uma.pt/luis/page5/page3/files/master1.pdf},
  Bdsk-url-2               = {http://ccm.uma.pt/publications/master1.pdf},
  Ccmauthor                = {Da Silva, J.~L.~ and Streit, L.~},
  Date-added               = {2008-11-17 17:31:34 +0000},
  Date-modified            = {2008-11-17 17:31:34 +0000},
  Url                      = {http://ccm.uma.pt/publications/master1.pdf}
}