Representation of numbers, divisible by a large square, by positive ternary quadratic forms. (English. Russian original) Zbl 0663.10015
J. Sov. Math. 43, No. 4, 2519-2530 (1988); translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 154, 14-30 (1986).