Cite this paper
nullT. Nasirova and U. Kerimova, "Definition of Laplace Transforms for Distribution of the First Passage of Zero Level of the Semi-Markov Random Process with Positive Tendency and Negative Jump," Applied Mathematics
, Vol. 2 No. 7, 2011, pp. 908-911. doi: 10.4236/am.2011.27122
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 T. I. Nasirova and R. I. Sadikova Laplace transformation of the distribution of the time of system sojourns within a band. Automatic Control and computer sciences, Volume43, Number4, 190-194