GROMYKO TO SEE NIXON THRSDAY
Rogers, in confs with Gromyko, reptdly failed to break deadlock over alleged violations and over efforts to get talks restarted; growing feeling among US officials that cease-fire will be extended on daily basis noted; Gromyko reptdly informed Rogers that USSR favors resumption of talks and extension of cease-fire without making it absolute condition that talks start before cease-fire is extended

