@article{CM_1937__4__119_0,
     author = {Johansson, Ingebrigt},
     title = {Der {Minimalkalk\"ul,} ein reduzierter intuitionistischer {Formalismus}},
     journal = {Compositio Mathematica},
     pages = {119--136},
     publisher = {Johnson Reprint Corporation},
     volume = {4},
     year = {1937},
     zbl = {0015.24102},
     language = {de},
     url = {http://www.numdam.org/item/CM_1937__4__119_0/}
}