Wells, Mark B. "Preprocessing of typed two-dimensional mathematical expressions" pp25-37
(1976)
[SIGPLAN] (1976)
SIGPLAN Notices 11(09) September 1976
Languages mentioned
Anderson 1968
{1968} Graphical input language
COLASL
{1962} Two dimensional mathematical language
EQN
{1975}
Klerer-May System
{1964}
MADCAP
{1960} Two dimensional maths and set language
SML
{1969} MIT interactive maths system