Some new results on differentiable measures. (English. Russian original) Zbl 0758.46035
Mosc. Univ. Math. Bull. 45, No. 4, 34-36 (1990); translation from Vestn. Mosk. Univ., Ser. I 1990, No. 4, 63-66 (1990).
Reviewer: M.Jerschow (Essen)