零写像
↑ zero function in nLab
↑ Barner, Flohr, Analysis I (ドイツ語), p. 247
↑ Bosch, Lineare Algebra (ドイツ語), p. 78
↑ Bosch, Lineare Algebra (ドイツ語), p. 204
↑ Bosch, Lineare Algebra (ドイツ語), p. 141
↑ Bosch, Lineare Algebra (ドイツ語), p. 93
↑ Karpfinger, Meyberg, Algebra: Gruppen – Ringe – Körper (ドイツ語), p. 158
↑ Karpfinger, Meyberg, Algebra: Gruppen – Ringe – Körper (ドイツ語), p. 181
↑ Karpfinger, Meyberg, Algebra: Gruppen – Ringe – Körper (ドイツ語), p. 172