@UNPUBLISHED{publication1, title = "Vector cross product differential and difference equations in \&\#8477;\^3 and in \&\#8477;\^7", author = "{BEITES, Patr{\ยด{i}}cia D.} and {NICOL{\'{A}}S, Alejandro P.} and {SARAIVA, Paulo} and {VIT{\'{O}}RIA, Jos{\'{e}}}", year = "2018-04-11", abstract = " Through a matrix approach of the 2-fold vector cross product in\ \&\#8477;\^3 and in \&\#8477;\^7 , some vector cross product differential and difference equations are studied. Either the classical theory or convenient Drazin inverses, of elements belonging to the class of index 1 matrices, are applied. ", url = "http://www.mat.uc.pt/preprints/eng\_2018.html", note = "" }