@article{10_5427_jsing_2020_20d,
     author = {Eugenii Shustin},
     title = {Singular {Welschinger} invariants},
     journal = {Journal of Singularities},
     pages = {79--94},
     publisher = {mathdoc},
     volume = {20},
     year = {2020},
     doi = {10.5427/jsing.2020.20d},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2020.20d/}
}