One attempt to the K3 modular function I
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 4, Volume 6 (1979) no. 4, p. 609-635 
@article{ASNSP_1979_4_6_4_609_0,
     author = {Shiga, Hironori},
     title = {One attempt to the $K3$ modular function I},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 6},
     number = {4},
     year = {1979},
     pages = {609-635},
     zbl = {0427.14013},
     mrnumber = {563337},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1979_4_6_4_609_0}
}

Shiga, Hironori. One attempt to the $K3$ modular function I. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 4, Volume 6 (1979) no. 4, pp. 609-635. http://www.numdam.org/item/ASNSP_1979_4_6_4_609_0/

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