@article{10_4064_sm_31_5_451_453,
     author = {Hidegoro Nakano},
     title = {Critical modulars},
     journal = {Studia Mathematica},
     pages = {451--453},
     year = {1968},
     volume = {31},
     number = {5},
     doi = {10.4064/sm-31-5-451-453},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-31-5-451-453/}
}