@article {Otrebski1963, title = {Baltisch-Slawische Miszellen}, journal = {Lingua Posnaniensis}, volume = {9}, year = {1963}, pages = {115 {\textendash} 121}, author = {Otr{\k e}bski, Jan} } @article {Otrebski1949, title = {La formation des noms physiographiques en lithuanien}, journal = {Lingua Posnaniensis}, volume = {1}, year = {1949}, pages = {199 {\textendash} 243}, author = {Otr{\k e}bski, Jan} }