@inbook{+1995+392+413,
url = {https://doi.org/10.1515/9783110868753.392},
title = {§ 39. Arten der Unwirksamkeit},
booktitle = {Allgemeiner Teil des Bürgerlichen Gesetzbuches},
publisher = {De Gruyter},
address = {Berlin, Boston},
pages = {392--413},
doi = {doi:10.1515/9783110868753.392},
isbn = {9783110868753},
year = {1995},
lastchecked = {2026-05-11}
}