https://123dok.org/document/zkww4wpz-cyclepisa-marcomoraschini-robertofrigeriocandidate-ongromov-stheoryofmulticomplexes-theoriginalapproachtoboundedcohomologyandsimplicialvolume-universit-adipisadipartimentodimatematicacorsodidottoratoinmatematicaph.html