TY - JOUR AU - J. S. Calcut TI - Knot theory and the Casson invariant in Artin presentation theory JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2005 SP - 119 EP - 126 VL - 11 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2005_11_4_a9/ LA - ru ID - FPM_2005_11_4_a9 ER -