Korporowicz, Łukasz J. 2017. Canon 40 (contingit interdum) of the Fourth Lateran Council (1215) and Roman law. Acta Universitatis Lodziensis. Folia Iuridica. 80, (Sep. 2017), 47–54. DOI:https://doi.org/10.18778/0208-6069.80.04.