title: [DNA geometry in the nucleosomes and the problem of the topological invariant].
mesh_terms: D000818:Animals; D002642:Chick Embryo; D004247:DNA / Q000032:analysis*; D014644:Genetic Variation; D009707:Nucleosomes / Q000648:ultrastructure*; D013329:Structure-Activity Relationship
chemical_list: D009707:Nucleosomes; D004247:DNA
vernacular_title: Geometriia DNK v nukleosomakh i problema topologicheskogo invarianta.