@article{BUMI_2000_8_3B_2_a11,
     author = {Heineken, H.},
     title = {Groups generated by two mutually {Engel} periodic elements},
     journal = {Bollettino della Unione matematica italiana},
     pages = {461--470},
     publisher = {mathdoc},
     volume = {Ser. 8, 3B},
     number = {2},
     year = {2000},
     zbl = {0982.20016},
     mrnumber = {609520},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2000_8_3B_2_a11/}
}