TY  - JOUR
AU  - E. L. Presman
TI  - Factorization methods and boundary problems for sums of random

JO  - Izvestiya. Mathematics 
PY  - 1969
SP  - 815
EP  - 852
VL  - 3
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1969_3_4_a6/
LA  - en
ID  - IM2_1969_3_4_a6
ER  -