@article{SM_2005_196_7_a0,
     author = {M. S. Bespalov},
     title = {Explicit form of the {Dirichlet} kernel for {Walsh} series and transformations},
     journal = {Sbornik. Mathematics},
     pages = {935--957},
     year = {2005},
     volume = {196},
     number = {7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2005_196_7_a0/}
}