Information Processing Letters
Information Processing Letters > 1998 > 66 > 4 > 181-186
Information Processing Letters > 1998 > 66 > 4 > 175-180
Information Processing Letters > 1998 > 66 > 4 > 171-174
Information Processing Letters > 1998 > 66 > 4 > 187-194
Information Processing Letters > 1998 > 66 > 4 > 195-199
Information Processing Letters > 1998 > 66 > 4 > 209-213
Information Processing Letters > 1998 > 66 > 4 > 215-219
Information Processing Letters > 1998 > 66 > 4 > 201-207
Information Processing Letters > 1998 > 66 > 4 > 165-170