SHIFT BY MOSCOW SAID TO IMPROVE ARMS PACT HOPES; Dean, in U.N., Terms Plan to Allow Limited Number of Missiles 'Interesting' SHIFT BY MOSCOW RAISES ARMS HOPE
Dean sees hope in USSR apparent acceptance of retention of some nuclear delivery vehicles in 1st stage of disarmament, com; sees USSR gaining if all foreign bases were eliminated; Zorin holds USSR would agree to necessary controls if disarmament accord is reached