@article{CM_1973__27_2_119_0,
     author = {Amayo, R. K.},
     title = {The derived join theorem and coalescence in {Lie} algebras},
     journal = {Compositio Mathematica},
     pages = {119--133},
     publisher = {Noordhoff International Publishing},
     volume = {27},
     number = {2},
     year = {1973},
     mrnumber = {338105},
     zbl = {0275.17009},
     language = {en},
     url = {http://www.numdam.org/item/CM_1973__27_2_119_0/}
}