@article{THSP_2007_13_3_a1,
     author = {Olga V. Aryasova and Mykola I. Portenko},
     title = {One example of a random change of
},
     journal = {Teori\^a slu\v{c}ajnyh processov},
     pages = {12--21},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/THSP_2007_13_3_a1/}
}