On the solution of the differential equation f x , y , y 1 , … , y n = 0 . Smbat Abian; Arthur B. Brown — 1958 Bollettino dell'Unione Matematica Italiana
A fixed point theorem for the closed 2-cell Abian, Alexander; Brown, Arthur B. — 1962 Portugaliae mathematica
On the solution of the equation g ( x ) = 0 Abian, Smbat; Brown, Arthur B. — 1959 Portugaliae mathematica