@article{RSMUP_1995__94__113_0,
     author = {Ballester-Bolinches, A. and P\'erez-Ramos, M. D.},
     title = {$\Pi $-normally embedded subgroups of finite soluble groups},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {113--119},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {94},
     year = {1995},
     zbl = {0847.20013},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1995__94__113_0/}
}