@article{VUU_2019_29_3_a1,
     author = {A. A. Gryzlov and R. A. Golovastov},
     title = {On tightness and pseudocharacter of compact $T_1$-spaces},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {312--318},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2019_29_3_a1/}
}