@ARTICLE{JCS19, 
	author = {Giuseppe Della Penna and  Pietro Frasca and  Benedetto Intrigila},
	title = {Two Factor Authentication for e-Government Services using Hardware-Like One Time Password Generators}, 
	doi = {10.3844/jcssp.2019.171.189},
	journal = {Journal of Computer Science},
	editor = {Science Publications},

	pages = {171--189},
	year = {2019},
	month = {1},
	volume = {15},
	number = {1}
	
}