Western Europe's Jews Feel Sense of Wariness
NY Times series on western Eur finds profound skepticism of Eur Jews is intensifying once again after nearly 3 decades of respite from overt anti-Semitism; finds fear for future of Israel, coupled with generalized lack of confidence that govts and people of western Eur will let small number of Jews stand between them and benefits of Arab petroleum, are principal factors contributing to renewal of Jewish malaise; finds Eur Jews no longer feel threatened by their neighbors, but that memories of Nazi atrocities no longer protects all things Jewish; finds Israel and Zionism have taken places alongside other vigorously criticized objects of Eur's vocal political left, which in past was champion of persecuted Jews; finds that perception of most Eur Jews is that line between anti-Zionism and anti-Semitism is so vague as to cause significant overlap in minds of those who express ideas and those who are targets of them; situation in France, GB, W Ger, Italy, Austria, Netherlands and Sweden discussed; comments of Lord Fisher, pres of GB's Bd of Deputies, which represents 450,000 Brit Jews, noted; Fisher fears conspicuous consumption by Jews during period of severe econ problems feeds anti-Semitism by making Jews scapegoats; has urged Brit Jews to adopt low profile; France's Baron de Rothschild says French policy is not as hostile as 'passionate Jews make it out to be'; says Jewish militants urged him to make public outcry against Arab efforts to exclude Jewish banks from deals in which they participate, but that he declined; other Eur Jewish leaders comment; Brit Jewish students illus (L)