REFERENCES
- ATHANS , M. , 1967 , Inf. Control , 10 , 335 .
- CORBINGTON , M. S. , 1973 , I.E.E.E. Trans . Circuit Theory , 20 , 470 .
- ELSQOLC , L. E. , 1961 , Calculus of Variations ( New York Pergamon Press ).
- FORTMANN , T. , 1967 , MIT Electronics Systems Laboratory Report ESL-R-326, October .
- HARMUTH , N. F. , 1969 , I.E.E.E. Spectrum , 6 , 82 .
- KLEINMAN , D. L. , and ATHANS , M. , 1968 , I.E.E.E. Trans, autom. Control , 13 , 150 .
- KLEINMAN , D. L. , FOBTMANN , T. , and ATHANS , M. , 1968 , I.E.E.E. Trans, autom. Control , 13 , 354 .
- PROCEEDINGS OF WALSH FUNCTIONS SYMPOSIUM , 1970 , 1971, 1972 , Naval Research Laboratories , Washington , D.C .
- RADEMACHEE , H. , 1922 , Math. Ann ., 87 , 712 .
- SCHECHTEB , R. S. , 1967 , The Variational Method in Engineering ( New York McGraw-Hill Co .), p. 23 .
- WALSH , J. L. , 1923 , Am. J. Math ., 45 , 5 .