APPLYING THE HOMOTOPY EQUIVALENCE TRANSFORMATION OF TOPOLOGICAL SPACE SETS TO THE TOPOLOGICAL CLASSIFICATION OF STATES AND DEFECTS IN ORDERED MEDIA
李伯臧, 阎凤利
APPLYING THE HOMOTOPY EQUIVALENCE TRANSFORMATION OF TOPOLOGICAL SPACE SETS TO THE TOPOLOGICAL CLASSIFICATION OF STATES AND DEFECTS IN ORDERED MEDIA
LI BO-ZANG (李伯臧), YAN FENG-LI (阎凤利)
中国物理B . 1993, (5): 321 -332 .  DOI: 10.1088/1004-423X/2/5/001