@incollection{MEM_2011_40_1_a13,
     author = {Dimovski, Ivan and Tsankov, Yulian},
     title = {Three-Dimensional {Operational} {Calculi} for {Nonlocal} {Evolution} {Boundary} {Value} {Problems}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {169--175},
     year = {2011},
     volume = {40},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2011_40_1_a13/}
}