@incollection{MEM_2022_51_a6,
     author = {Rangachev, Antoni},
     title = {The evolving notion of multiplicity as an invariant in singularity theory},
     booktitle = {},
     series = {Mathematics and Education in Mathematics},
     pages = {89--99},
     year = {2022},
     volume = {51},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2022_51_a6/}
}