A number of possibilities exist for finding "a constructive solution to differences that divided China and the Soviet Union, the Communist Party newspaper Pravda said yesterday.

The Pravda article, signed by "Igor Alexandrov" -- a pseudonym believed used to convey Soviet thinking at the highest level -- is seen by Kremlin watchers as the first overt Soviet response to indications from China that Peking may be prepared to relax its long-standing hostility to its socialist neighbor.

Last week, a magazine published in China's Hilongjiang province reported that a conference of Chinese literary experts had concluded the Soivet Union remains "a bsaically socialist country."

While China stopped calling Moscow a "revisionist" power more than a year ago, this appeared to be the first time in 20 years that an official Chinese publication contained a favorable reference to the Soviet Union.

China's opposition to Soviet international policy remains strong. But Chinese specialists in Soviet affairs now openly praise Soviet domestic policy, citing improved living conditions in the Soviet Union. The Pravda article appeared aimed at encouraging such signs of rapprochement.

Pravda suggested that Peking, which in January broke off Sino-Soviet negotiations because of Soviet moves in Afghanistan, should consider returning to the talks. It added that other channels also are available for improving relations, including the continuing discussions on Sino-Soviet border questions.