Thrivikraman, R .
Text book of mathematics / Textual Documents R Thrivikraman. - 1 / . - Madras : National publishing co. , 1959. - 333 ; .
510.1 / THI/TE
Text book of mathematics / Textual Documents R Thrivikraman. - 1 / . - Madras : National publishing co. , 1959. - 333 ; .
510.1 / THI/TE