@article{10_1090_S0894_0347_98_00269_0,
     author = {Solecki, S{\l}awomir},
     title = {Decomposing {Borel} sets and functions and the structure of {Baire} class 1 functions},
     journal = {Journal of the American Mathematical Society},
     pages = {521--550},
     year = {1998},
     volume = {11},
     number = {3},
     doi = {10.1090/S0894-0347-98-00269-0},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-98-00269-0/}
}