Koncepcja jedności prawa cywilnego na tle postanowień art. 2 i 384 k.c. : [The concept of unity of civil law against the background of the provisions of Articles 2 and 384 of the Civil Code]. SP [Internet]. 2023 Apr. 30 [cited 2025 Sep. 7];(26-27):40-51. Available from: https://czasopisma.inp.pan.pl/index.php/sp/article/view/3772