@incollection{MEM_2011_40_1_a11,
     author = {Boychev, Georgi},
     title = {On some {Jacobi} {Series}},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {159--163},
     year = {2011},
     volume = {40},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2011_40_1_a11/}
}