On strong and weak ballisticity of functions. (English. Russian original) Zbl 0859.26002
Russ. Acad. Sci., Dokl., Math. 47, No. 2, 187-191 (1993); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 329, No. 2, 122-124 (1993).
MSC:
26A15
93A30