@article{AFST_2014_6_23_2_r1_0, author = {Anatoly Libgober}, title = {Preface}, journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques}, pages = {i--ii}, publisher = {Universit\'e Paul Sabatier, Toulouse}, volume = {Ser. 6, 23}, number = {2}, year = {2014}, doi = {10.5802/afst.1405}, language = {en}, url = {https://afst.centre-mersenne.org/articles/10.5802/afst.1405/} }