@article{10_4064_ap_32_1_1_4,
     author = {G. {\L}ubczonok},
     title = {On the reduction formulas},
     journal = {Annales Polonici Mathematici},
     pages = {1--4},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1976},
     doi = {10.4064/ap-32-1-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-32-1-1-4/}
}