This story draft by @hausdorff has not been reviewed by an editor, YET.
Author:
(1) Attila Losonczi.
1.1 Basic notions and notations
1.2 Basic definitions from [7] and [8]
2 Generalized integral
2.1 Multiplication on [0, +∞) × [−∞, +∞]
2.3 The integral of functions taking values in [0, +∞) × [0, +∞)
For easier readability, we copy some basic definitions from [7] and [8] here.
This paper is available on arxiv under CC BY-NC-ND 4.0 DEED license.