| [1] |
. [J]. Observation and Ponderation, 2015, 0(4): 54
-59
. |
| [2] |
. [J]. Observation and Ponderation, 2015, 0(10): 58
-64
. |
| [3] |
. [J]. Observation and Ponderation, 2016, 0(2): 58
-65
. |
| [4] |
. [J]. Observation and Ponderation, 2016, 0(6): 73
-81
. |
| [5] |
. [J]. Observation and Ponderation, 2017, 0(2): 15
-20
. |
| [6] |
. [J]. Observation and Ponderation, 2018, 0(10): 100
-106
. |
| [7] |
. [J]. Observation and Ponderation, 2019, 0(6): 65
-72
. |
| [8] |
. [J]. Observation and Ponderation, 2019, 0(9): 32
-39
. |
| [9] |
. [J]. Observation and Ponderation, 2019, 0(11): 48
-54
. |
|