00-00 Difficult to classify at the second level (must be assigned at least one other         classification number in this section) (2 articles) 
- 
Bourbaki, Nicolas:
		Architektura matematiky.
		
			(Czech) [The architecture of mathematics].
Pokroky matematiky, fyziky a astronomie,
		vol. 5
			(1960),
			issue 5,
		pp. 509-518
 
- 
Dubnov, Ja. S.:
		Trigonometrie ve školním kursu geometrie.
		
			(Czech) [Trigonometry in the school course of geometry].
Pokroky matematiky, fyziky a astronomie,
		vol. 4
			(1959),
			issue 6,
		pp. 664-673
 
 
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