Probability Theory And Mathematical Statistics:
Proceedings of the 5th Vilnius Conference June 25-july 1, 1989

by B. Grigelionis, Matematicheskii Institut Im. V.A. Steklova, Vilniaus Valstybinis V. Kapsuko vardo universitetas, Matematikos ir kibernetikos institutas (Lietuvos TSR Mokslu akademija)