@article{RSMUP_1986__75__191_0,
     author = {Leinen, Felix},
     title = {Existentially closed $L \mathfrak {X}$-groups},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {191--226},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {75},
     year = {1986},
     mrnumber = {847666},
     zbl = {0598.20036},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1986__75__191_0/}
}