Theory of functional sentence perspective and its application for the purposes of automatic extracting.

Jirí Jonos Theory of functional sentence perspective and its application for the purposes of automatic extracting. 19-25 1979 15 Inf. Process. Manage. 1 http://dx.doi.org/10.1016/0306-4573(79)90004-9 db/journals/ipm/ipm15.html#Jonos79