(Polish title: Polsko-litewskie badania konfrontatywne Zespolu Semantyki Instytutu Slawistyki Polskiej Akademii Nauk). The dissertation discusses the research area of the Lithuanian-Polish theoretical contrastive studies, conducted by the Department of ISS PAS, including.:  Lithuanian-Polish theoretical contrastive studies utilizing the interlanguage (Lithuanian-Polish contrastive grammar),  Terminological dictionary (definitions of the interlanguage particular sections used in the linguistic contrast along with terminology suggestion for Slavic languages, including Lithuanian),  Corpus linguistics and on-line dictionaries (experimental trilingual Bulgarian-Polish-Lithuanian parallel and comparable corpora, experimental corpus of the Lithuanian local dialect of Punsk and experimental electronic Polish-Lithuanian dictionary),  Research on the Lithuanian local dialect of Punsk in Poland (grammatical description of the local dialect on the basis of the experimental dialectal corpus in contrast with Polish and Lithuanian).
Financed by the National Centre for Research and Development under grant No. SP/I/1/77065/10 by the strategic scientific research and experimental development program:
SYNAT - “Interdisciplinary System for Interactive Scientific and Scientific-Technical Information”.