On ϵ-nets in a complex
Compositio Mathematica, Volume 4  (1937), p. 287-293
@article{CM_1937__4__287_0,
     author = {Wilson, Wilfrid},
     title = {On $\epsilon $-nets in a complex},
     journal = {Compositio Mathematica},
     publisher = {Johnson Reprint Corporation},
     volume = {4},
     year = {1937},
     pages = {287-293},
     zbl = {0016.23002},
     language = {en},
     url = {http://www.numdam.org/item/CM_1937__4__287_0}
}
Wilson, Wilfrid. On $\epsilon $-nets in a complex. Compositio Mathematica, Volume 4 (1937) , pp. 287-293. http://www.numdam.org/item/CM_1937__4__287_0/