@article{PSMIR_1989-1990___1_69_0,
     author = {Jakubowski, Adam},
     title = {A {Non-Central} {Functional} {Limit} {Theorem} for {Quadratic} {Forms} in {Martingale} {Difference} {Sequences}},
     journal = {Publications de l'Institut de recherche math\'ematiques de Rennes},
     pages = {69--73},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {1},
     year = {1989-1990},
     zbl = {0737.60035},
     language = {en},
     url = {http://www.numdam.org/item/PSMIR_1989-1990___1_69_0/}
}