2227-1899
2227-1899
S2227-18992021000300020
Cuba
Cuba
Spain
Cuba
00
09
2021
00
09
2021
15
3
20
40
[
2018
140-51
]
[
2013
8
2
2
018-24
]
[
2010
69
11
11
1158-80
]
[
2015
2
2
2
32-49
]
[
2018
]
[
2016
Preprint
Preprint
Preprint
1-17
]
[
2013
293-5
]
[
2016
]
[
2007
]
[
2011
2
2
2
71-87
]
[
2017
5
3
3
45
]
[
2013
105-23
]
[
2012
]
[
2012
]
[
2015
491-6
]
[
1994
297-308
]
[
2011
2
1
1
11-21
]
[
2004
]
[
2012
897-914
]
[
2017
]
[
2005
182-92
]
[
2017
3
2
2
57-61
]
[
Lantica Software Llc
2017
]
[
2019
229-45
]
[
2018
]
[
2015
3-20
]
[
2019
274
91-132
]
[
2003
109-13
]
[
2018
659-70
]
[
2018
9
5
5
627-60
]
[
2018
Xlii-4
639-45
]
[
2006
a
429-43
]
[
2006
b
429-43
]