01083nas a2200133   4500008004100000245014800041210012400189300001200313490000700325520048900332100003100821700003900852856005800891       1987                        eng d00aРуската предложно-падежна система в речта на русите в българска езикова среда0 aРуската предложнопадежна система в речта на русите в българска е  a12–180 v123 aThis is a data-based study of the native speech production of Russians residing in Bulgaria, which reveals disturbed communicative competence. It is suggested that systematic investigations of this kind could throw some light on the mechanisms of language contact and language change (including diachrony). Such studies can also contribute to the theory of contrastive analysis of Bulgarian with other languages. Finally, certain inferences could be made concerning language teaching.1 aИванов, Сергей1 aБожинова, Цветанка  uhttp://www.scripta-bulgarica.eu/bg/biblio/ivanov1987a