TY - JOUR AU - A. I. Komkov TI - Polymorphous relations in the compounds of the $\mathrm{TRNbTiO}_6$ and $\mathrm{TRTaTiO}_6$ type JO - Doklady Akademii Nauk PY - 1972 SP - 1353 EP - 1354 VL - 206 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_206_6_a19/ LA - ru ID - DAN_1972_206_6_a19 ER -