2013/11/15 by Stachura, Piotr
#18B40 #20L05 #Category Theory (math.CT) #Differential Geometry (math.DG) #FOS: Mathematics #Group Theory (math.GR)
paper · doi:10.48550/arxiv.1311.3866
The algebraic part of approach to groupoids started by S. Zakrzewski is presented.