@article{10_1017_S0017089518000162,
     author = {BERNATSKA, JULIA and LEYKIN, DMITRY},
     title = {ON {DEGENERATE} {SIGMA-FUNCTIONS} {IN} {GENUS} 2},
     journal = {Glasgow mathematical journal},
     pages = {169--193},
     year = {2019},
     volume = {61},
     number = {1},
     doi = {10.1017/S0017089518000162},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089518000162/}
}