2007, с. 33—52. Junko HIRAKAWA. Some Theorems on the Orthopole. TohokuMathematicalJournal, First Series. 1933. Vol. 36. P. 253, Lemma I// https://www.jstage
Oeljeklaus, Matei Toma. Class VII0 surfaces with b2 curves // The TohokuMathematicalJournal. Second Series. — 2003. — Т. 55, вып. 2. — С. 283–309. — ISSN
Yoneyama, Kunizô (1917), "Theory of Continuous Set of Points", The TôhokuMathematicalJournal, 12: 43—158 (недоступная ссылка) Коснёвски Чес, Начальный курс
Alexander (1957), "Sur quelques points d'algèbre homologique", The TohokuMathematicalJournal. Second Series, 9: 119—221, ISSN 0040-8735, MR 0102537 Weibel