Bjerknes, Niels Henrik Abel: Tableau de sa vie et son action scientifique (Paris, 1885); Lucas de Peslouan, Niels Henrik Abel (Paris, 1906).
But the only really great prose-writer of the period was the Norwegian, Niels Treschow (1751-1833), whose philosophical works are composed in an admirably lucid style, and are distinguished for their depth and originality.
In 1131 the king led an expedition into Denmark, where one of his vassals had been murdered by Magnus, son of the Danish king, Niels, and where general confusion reigned; but no resistance was offered, and Niels promised to pay tribute to Lothair.
From the south end of Kongens Nytorv, a street called Holmens Kanal winds past the National Bank to the Holmens Kirke, or church for the royal navy, originally erected as an anchor-smithy by Frederick II., but consecrated by Christian IV., with a chapel containing the tombs of the great admirals Niels Juel and Peder TordenskjOld, and wood-carving of the 17th century.
Danmark Norges Historic, 1720-1814 (Copenhagen, 1891-1894); Soren Bloch Thrige, Danmarks Historic i vort Aarhundrede (Copenhagen, 1888); Marcus Rubin, Frederick VI.'s Tid fra Kielerfreden (Copenhagen, 1895) Christian Frederick von Holten, Erinnerungen; Der deutsch-deinische Krieg (Stuttgart, 1900); Niels Peter Jensen, Den anden slesvigske Krig (Copenhagen, 1900); S.
A rigorous demonstration was wanting for many years, Leonhard Euler's proof for negative and fractional values being faulty, and was finally given by Niels Heinrik Abel.
Recruiting and Strength.EJniversal compulsory service was adopted after the disasters of 1870-1871, though in principle it had been established by Marshal Niels reforms a few years before that date.