Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
Maltese [mɔːlˈtiːz] adj мальти́йский#
n inv (person) мальти́ец*-и́йка#] (LING) мальти́йский*язы́к#
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: