Norwegian 2 komma 7-Ibsen-Ibsen. Translation: 2 point 7-Ibsen-Ibsen. Comment: Ibsen is one of the most famous Norwegian authors; he has written drama and poetry. He was born in the year 1828. Reference: Knut Sydsaeter, Matematisk analyse, Bind I, del A, Universitetsforlaget AS 1986, 5. utgave, p. 249. From: Sigurd Elkjaer