Argentine Strongman Out In a Shuffle by Mrs. Peron
Argentine Pres Isabel Martinez de Peron, amid pol and econ crisis, names new 8-man Cabinet, excluding Jose Lopez Rega, at demanded by mil armed forces; apptmt of Cabinet members raises doubt that Peron can stave off mounting opposition from her own party, organized labor, non-Peronist politicians and armed forces since Cabinet member are considered supporters of Lopez Rega; Lopez Rega was forced to resign after Pres recd virtual ultimatums from armed forces and most pol factions demanding his dismissal; labor leaders and most opposition party politicians hold Lopez Rega responsible for mounting repression of pol dissent and have accused him of masterminding Argentine anti-Communist Alliance; por of Lopez Rega (M)