@article{RSMUP_1988__80__139_0,
     author = {Di Lena, G. and Messano, B. and Zitarosa, A.},
     title = {On the iterative process $x_{n+1}= f \left(x_n, x_{n-1}\right)$},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {139--150},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {80},
     year = {1988},
     mrnumber = {988119},
     zbl = {0707.26002},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1988__80__139_0/}
}